diff --git a/lighthouse-cli/test/smokehouse/offline-local/offline-expectations.js b/lighthouse-cli/test/smokehouse/offline-local/offline-expectations.js
index 2866857a0d4e..9c456a769d48 100644
--- a/lighthouse-cli/test/smokehouse/offline-local/offline-expectations.js
+++ b/lighthouse-cli/test/smokehouse/offline-local/offline-expectations.js
@@ -81,22 +81,22 @@ module.exports = [
         score: 0,
       },
       'aria-valid-attr': {
-        notApplicable: true,
+        scoreDisplayMode: 'not-applicable',
       },
       'aria-allowed-attr': {
-        notApplicable: true,
+        scoreDisplayMode: 'not-applicable',
       },
       'color-contrast': {
         score: 1,
       },
       'image-alt': {
-        notApplicable: true,
+        scoreDisplayMode: 'not-applicable',
       },
       'label': {
-        notApplicable: true,
+        scoreDisplayMode: 'not-applicable',
       },
       'tabindex': {
-        notApplicable: true,
+        scoreDisplayMode: 'not-applicable',
       },
       'content-width': {
         score: 1,
@@ -144,10 +144,10 @@ module.exports = [
         score: 0,
       },
       'aria-valid-attr': {
-        notApplicable: true,
+        scoreDisplayMode: 'not-applicable',
       },
       'aria-allowed-attr': {
-        notApplicable: true,
+        scoreDisplayMode: 'not-applicable',
       },
       'color-contrast': {
         score: 1,
@@ -156,10 +156,10 @@ module.exports = [
         score: 0,
       },
       'label': {
-        notApplicable: true,
+        scoreDisplayMode: 'not-applicable',
       },
       'tabindex': {
-        notApplicable: true,
+        scoreDisplayMode: 'not-applicable',
       },
       'content-width': {
         score: 1,
diff --git a/lighthouse-cli/test/smokehouse/pwa-expectations.js b/lighthouse-cli/test/smokehouse/pwa-expectations.js
index 2d820f772b12..43d601aed17b 100644
--- a/lighthouse-cli/test/smokehouse/pwa-expectations.js
+++ b/lighthouse-cli/test/smokehouse/pwa-expectations.js
@@ -102,15 +102,15 @@ module.exports = [
       // "manual" audits. Just verify in the results.
       'pwa-cross-browser': {
         score: 0,
-        manual: true,
+        scoreDisplayMode: 'manual',
       },
       'pwa-page-transitions': {
         score: 0,
-        manual: true,
+        scoreDisplayMode: 'manual',
       },
       'pwa-each-page-has-url': {
         score: 0,
-        manual: true,
+        scoreDisplayMode: 'manual',
       },
     },
   },
@@ -207,15 +207,15 @@ module.exports = [
       // "manual" audits. Just verify in the results.
       'pwa-cross-browser': {
         score: 0,
-        manual: true,
+        scoreDisplayMode: 'manual',
       },
       'pwa-page-transitions': {
         score: 0,
-        manual: true,
+        scoreDisplayMode: 'manual',
       },
       'pwa-each-page-has-url': {
         score: 0,
-        manual: true,
+        scoreDisplayMode: 'manual',
       },
     },
   },
diff --git a/lighthouse-cli/test/smokehouse/pwa2-expectations.js b/lighthouse-cli/test/smokehouse/pwa2-expectations.js
index d482f64a0e64..bca5ea5ee17c 100644
--- a/lighthouse-cli/test/smokehouse/pwa2-expectations.js
+++ b/lighthouse-cli/test/smokehouse/pwa2-expectations.js
@@ -104,15 +104,15 @@ module.exports = [
       // "manual" audits. Just verify in the results.
       'pwa-cross-browser': {
         score: 0,
-        manual: true,
+        scoreDisplayMode: 'manual',
       },
       'pwa-page-transitions': {
         score: 0,
-        manual: true,
+        scoreDisplayMode: 'manual',
       },
       'pwa-each-page-has-url': {
         score: 0,
-        manual: true,
+        scoreDisplayMode: 'manual',
       },
     },
   },
@@ -215,15 +215,15 @@ module.exports = [
       // "manual" audits. Just verify in the results.
       'pwa-cross-browser': {
         score: 0,
-        manual: true,
+        scoreDisplayMode: 'manual',
       },
       'pwa-page-transitions': {
         score: 0,
-        manual: true,
+        scoreDisplayMode: 'manual',
       },
       'pwa-each-page-has-url': {
         score: 0,
-        manual: true,
+        scoreDisplayMode: 'manual',
       },
     },
   },
diff --git a/lighthouse-cli/test/smokehouse/pwa3-expectations.js b/lighthouse-cli/test/smokehouse/pwa3-expectations.js
index ad7de011d2fa..9d8530acf1b9 100644
--- a/lighthouse-cli/test/smokehouse/pwa3-expectations.js
+++ b/lighthouse-cli/test/smokehouse/pwa3-expectations.js
@@ -102,15 +102,15 @@ module.exports = [
       // "manual" audits. Just verify in the results.
       'pwa-cross-browser': {
         score: 0,
-        manual: true,
+        scoreDisplayMode: 'manual',
       },
       'pwa-page-transitions': {
         score: 0,
-        manual: true,
+        scoreDisplayMode: 'manual',
       },
       'pwa-each-page-has-url': {
         score: 0,
-        manual: true,
+        scoreDisplayMode: 'manual',
       },
     },
   },
diff --git a/lighthouse-cli/test/smokehouse/seo/expectations.js b/lighthouse-cli/test/smokehouse/seo/expectations.js
index 133a00476a77..69ee0f8f2acc 100644
--- a/lighthouse-cli/test/smokehouse/seo/expectations.js
+++ b/lighthouse-cli/test/smokehouse/seo/expectations.js
@@ -73,7 +73,7 @@ module.exports = [
       },
       'robots-txt': {
         rawValue: true,
-        notApplicable: true,
+        scoreDisplayMode: 'not-applicable',
       },
     },
   },
diff --git a/lighthouse-core/audits/audit.js b/lighthouse-core/audits/audit.js
index 4766f8661371..a0e62abcc582 100644
--- a/lighthouse-core/audits/audit.js
+++ b/lighthouse-core/audits/audit.js
@@ -26,12 +26,15 @@ class Audit {
   }
 
   /**
-   * @return {LH.Audit.ScoringModes}
+   * @return {LH.Audit.ScoreDisplayModes}
    */
   static get SCORING_MODES() {
     return {
       NUMERIC: 'numeric',
       BINARY: 'binary',
+      MANUAL: 'manual',
+      INFORMATIVE: 'informative',
+      NOT_APPLICABLE: 'not-applicable',
     };
   }
 
@@ -125,7 +128,7 @@ class Audit {
   /**
    * @param {typeof Audit} audit
    * @param {LH.Audit.Product} result
-   * @return {{score: number, scoreDisplayMode: LH.Audit.ScoringModeValue}}
+   * @return {{score: number, scoreDisplayMode: LH.Audit.ScoreDisplayMode}}
    */
   static _normalizeAuditScore(audit, result) {
     // Cast true/false to 1/0
@@ -155,14 +158,12 @@ class Audit {
       throw new Error('generateAuditResult requires a rawValue');
     }
 
-    // eslint-disable-next-line prefer-const
     let {score, scoreDisplayMode} = Audit._normalizeAuditScore(audit, result);
 
     // If the audit was determined to not apply to the page, we'll reset it as informative only
-    let informative = audit.meta.informative;
     if (result.notApplicable) {
       score = 1;
-      informative = true;
+      scoreDisplayMode = Audit.SCORING_MODES.NOT_APPLICABLE;
       result.rawValue = true;
     }
 
@@ -181,9 +182,6 @@ class Audit {
       debugString: result.debugString,
       extendedInfo: result.extendedInfo,
       scoreDisplayMode,
-      informative,
-      manual: audit.meta.manual,
-      notApplicable: result.notApplicable,
       name: audit.meta.name,
       description: auditDescription,
       helpText: audit.meta.helpText,
diff --git a/lighthouse-core/audits/byte-efficiency/offscreen-images.js b/lighthouse-core/audits/byte-efficiency/offscreen-images.js
index 83c61c7dd6ff..3d7eecde0c73 100644
--- a/lighthouse-core/audits/byte-efficiency/offscreen-images.js
+++ b/lighthouse-core/audits/byte-efficiency/offscreen-images.js
@@ -29,7 +29,6 @@ class OffscreenImages extends ByteEfficiencyAudit {
     return {
       name: 'offscreen-images',
       description: 'Defer offscreen images',
-      informative: true,
       scoreDisplayMode: ByteEfficiencyAudit.SCORING_MODES.NUMERIC,
       helpText:
         'Consider lazy-loading offscreen and hidden images after all critical resources have ' +
diff --git a/lighthouse-core/audits/byte-efficiency/render-blocking-resources.js b/lighthouse-core/audits/byte-efficiency/render-blocking-resources.js
index 647e6afd0aaa..1ab379563b18 100644
--- a/lighthouse-core/audits/byte-efficiency/render-blocking-resources.js
+++ b/lighthouse-core/audits/byte-efficiency/render-blocking-resources.js
@@ -53,7 +53,6 @@ class RenderBlockingResources extends Audit {
     return {
       name: 'render-blocking-resources',
       description: 'Eliminate render-blocking resources',
-      informative: true,
       scoreDisplayMode: Audit.SCORING_MODES.NUMERIC,
       helpText:
         'Resources are blocking the first paint of your page. Consider ' +
diff --git a/lighthouse-core/audits/byte-efficiency/unminified-css.js b/lighthouse-core/audits/byte-efficiency/unminified-css.js
index 7c553f4ba850..d061e56100ec 100644
--- a/lighthouse-core/audits/byte-efficiency/unminified-css.js
+++ b/lighthouse-core/audits/byte-efficiency/unminified-css.js
@@ -22,7 +22,6 @@ class UnminifiedCSS extends ByteEfficiencyAudit {
     return {
       name: 'unminified-css',
       description: 'Minify CSS',
-      informative: true,
       scoreDisplayMode: ByteEfficiencyAudit.SCORING_MODES.NUMERIC,
       helpText: 'Minifying CSS files can reduce network payload sizes. ' +
         '[Learn more](https://developers.google.com/speed/docs/insights/MinifyResources).',
diff --git a/lighthouse-core/audits/byte-efficiency/unminified-javascript.js b/lighthouse-core/audits/byte-efficiency/unminified-javascript.js
index ffc717818fa2..2168815d557a 100644
--- a/lighthouse-core/audits/byte-efficiency/unminified-javascript.js
+++ b/lighthouse-core/audits/byte-efficiency/unminified-javascript.js
@@ -30,7 +30,7 @@ class UnminifiedJavaScript extends ByteEfficiencyAudit {
     return {
       name: 'unminified-javascript',
       description: 'Minify JavaScript',
-      informative: true,
+
       scoreDisplayMode: ByteEfficiencyAudit.SCORING_MODES.NUMERIC,
       helpText: 'Minifying JavaScript files can reduce payload sizes and script parse time. ' +
         '[Learn more](https://developers.google.com/speed/docs/insights/MinifyResources).',
diff --git a/lighthouse-core/audits/byte-efficiency/unused-css-rules.js b/lighthouse-core/audits/byte-efficiency/unused-css-rules.js
index 8106887a4806..db41e01d343c 100644
--- a/lighthouse-core/audits/byte-efficiency/unused-css-rules.js
+++ b/lighthouse-core/audits/byte-efficiency/unused-css-rules.js
@@ -20,7 +20,6 @@ class UnusedCSSRules extends ByteEfficiencyAudit {
     return {
       name: 'unused-css-rules',
       description: 'Unused CSS rules',
-      informative: true,
       scoreDisplayMode: ByteEfficiencyAudit.SCORING_MODES.NUMERIC,
       helpText: 'Remove unused rules from stylesheets to reduce unnecessary ' +
           'bytes consumed by network activity. ' +
diff --git a/lighthouse-core/audits/byte-efficiency/unused-javascript.js b/lighthouse-core/audits/byte-efficiency/unused-javascript.js
index e645a760f5e5..a05f98dc1c07 100644
--- a/lighthouse-core/audits/byte-efficiency/unused-javascript.js
+++ b/lighthouse-core/audits/byte-efficiency/unused-javascript.js
@@ -17,7 +17,6 @@ class UnusedJavaScript extends ByteEfficiencyAudit {
     return {
       name: 'unused-javascript',
       description: 'Unused JavaScript',
-      informative: true,
       scoreDisplayMode: ByteEfficiencyAudit.SCORING_MODES.NUMERIC,
       helpText: 'Remove unused JavaScript to reduce bytes consumed by network activity.',
       requiredArtifacts: ['JsUsage', 'devtoolsLogs'],
diff --git a/lighthouse-core/audits/byte-efficiency/uses-optimized-images.js b/lighthouse-core/audits/byte-efficiency/uses-optimized-images.js
index 491862fbdcf8..b32bb2c0c471 100644
--- a/lighthouse-core/audits/byte-efficiency/uses-optimized-images.js
+++ b/lighthouse-core/audits/byte-efficiency/uses-optimized-images.js
@@ -23,7 +23,6 @@ class UsesOptimizedImages extends ByteEfficiencyAudit {
     return {
       name: 'uses-optimized-images',
       description: 'Efficiently encode images',
-      informative: true,
       scoreDisplayMode: ByteEfficiencyAudit.SCORING_MODES.NUMERIC,
       helpText: 'Optimized images load faster and consume less cellular data. ' +
         '[Learn more](https://developers.google.com/web/tools/lighthouse/audits/optimize-images).',
diff --git a/lighthouse-core/audits/byte-efficiency/uses-responsive-images.js b/lighthouse-core/audits/byte-efficiency/uses-responsive-images.js
index a973095a7538..7a8954e1eb65 100644
--- a/lighthouse-core/audits/byte-efficiency/uses-responsive-images.js
+++ b/lighthouse-core/audits/byte-efficiency/uses-responsive-images.js
@@ -27,7 +27,6 @@ class UsesResponsiveImages extends ByteEfficiencyAudit {
     return {
       name: 'uses-responsive-images',
       description: 'Properly size images',
-      informative: true,
       scoreDisplayMode: ByteEfficiencyAudit.SCORING_MODES.NUMERIC,
       helpText:
         'Serve images that are appropriately-sized to save cellular data ' +
diff --git a/lighthouse-core/audits/byte-efficiency/uses-text-compression.js b/lighthouse-core/audits/byte-efficiency/uses-text-compression.js
index 60fbbe062ba1..163001359023 100644
--- a/lighthouse-core/audits/byte-efficiency/uses-text-compression.js
+++ b/lighthouse-core/audits/byte-efficiency/uses-text-compression.js
@@ -22,7 +22,6 @@ class ResponsesAreCompressed extends ByteEfficiencyAudit {
   static get meta() {
     return {
       name: 'uses-text-compression',
-      informative: true,
       scoreDisplayMode: ByteEfficiencyAudit.SCORING_MODES.NUMERIC,
       description: 'Enable text compression',
       helpText: 'Text-based responses should be served with compression (gzip, deflate or brotli)' +
diff --git a/lighthouse-core/audits/byte-efficiency/uses-webp-images.js b/lighthouse-core/audits/byte-efficiency/uses-webp-images.js
index 34541920b43c..09a79a663665 100644
--- a/lighthouse-core/audits/byte-efficiency/uses-webp-images.js
+++ b/lighthouse-core/audits/byte-efficiency/uses-webp-images.js
@@ -22,7 +22,6 @@ class UsesWebPImages extends ByteEfficiencyAudit {
     return {
       name: 'uses-webp-images',
       description: 'Serve images in next-gen formats',
-      informative: true,
       scoreDisplayMode: ByteEfficiencyAudit.SCORING_MODES.NUMERIC,
       helpText: 'Image formats like JPEG 2000, JPEG XR, and WebP often provide better ' +
         'compression than PNG or JPEG, which means faster downloads and less data consumption. ' +
diff --git a/lighthouse-core/audits/critical-request-chains.js b/lighthouse-core/audits/critical-request-chains.js
index bcc82694486c..748fa757618f 100644
--- a/lighthouse-core/audits/critical-request-chains.js
+++ b/lighthouse-core/audits/critical-request-chains.js
@@ -16,7 +16,7 @@ class CriticalRequestChains extends Audit {
     return {
       name: 'critical-request-chains',
       description: 'Critical Request Chains',
-      informative: true,
+      scoreDisplayMode: Audit.SCORING_MODES.INFORMATIVE,
       helpText: 'The Critical Request Chains below show you what resources are ' +
           'issued with a high priority. Consider reducing ' +
           'the length of chains, reducing the download size of resources, or ' +
diff --git a/lighthouse-core/audits/manual/manual-audit.js b/lighthouse-core/audits/manual/manual-audit.js
index 7f885ebd9c0e..0786fe335fbc 100644
--- a/lighthouse-core/audits/manual/manual-audit.js
+++ b/lighthouse-core/audits/manual/manual-audit.js
@@ -14,12 +14,11 @@ const Audit = require('../audit');
 
 class ManualAudit extends Audit {
   /**
-   * @return {Pick<LH.Audit.Meta, 'informative'|'manual'|'requiredArtifacts'>}
+   * @return {Pick<LH.Audit.Meta, 'scoreDisplayMode'|'requiredArtifacts'>}
    */
   static get partialMeta() {
     return {
-      informative: true,
-      manual: true,
+      scoreDisplayMode: Audit.SCORING_MODES.MANUAL,
       requiredArtifacts: [],
     };
   }
diff --git a/lighthouse-core/audits/metrics.js b/lighthouse-core/audits/metrics.js
index 49bc60688752..c48e69229b91 100644
--- a/lighthouse-core/audits/metrics.js
+++ b/lighthouse-core/audits/metrics.js
@@ -14,7 +14,7 @@ class Metrics extends Audit {
   static get meta() {
     return {
       name: 'metrics',
-      informative: true,
+      scoreDisplayMode: Audit.SCORING_MODES.INFORMATIVE,
       description: 'Metrics',
       helpText: 'Collects all available metrics.',
       requiredArtifacts: ['traces', 'devtoolsLogs'],
diff --git a/lighthouse-core/audits/mixed-content.js b/lighthouse-core/audits/mixed-content.js
index bf1d8e7b5b57..f676ee7a7077 100644
--- a/lighthouse-core/audits/mixed-content.js
+++ b/lighthouse-core/audits/mixed-content.js
@@ -24,7 +24,6 @@ class MixedContent extends Audit {
     return {
       name: 'mixed-content',
       description: 'All resources loaded are secure',
-      informative: true,
       failureDescription: 'Some insecure resources can be upgraded to HTTPS',
       helpText: `Mixed content warnings can prevent you from upgrading to HTTPS.
       This audit shows which insecure resources this page uses that can be
diff --git a/lighthouse-core/audits/network-requests.js b/lighthouse-core/audits/network-requests.js
index 6659c92c439f..a60a41bbb361 100644
--- a/lighthouse-core/audits/network-requests.js
+++ b/lighthouse-core/audits/network-requests.js
@@ -15,7 +15,7 @@ class NetworkRequests extends Audit {
   static get meta() {
     return {
       name: 'network-requests',
-      informative: true,
+      scoreDisplayMode: Audit.SCORING_MODES.INFORMATIVE,
       description: 'Network Requests',
       helpText: 'Lists the network requests that were made during page load.',
       requiredArtifacts: ['devtoolsLogs'],
diff --git a/lighthouse-core/audits/screenshot-thumbnails.js b/lighthouse-core/audits/screenshot-thumbnails.js
index 0511dcea4ed9..693957e71f09 100644
--- a/lighthouse-core/audits/screenshot-thumbnails.js
+++ b/lighthouse-core/audits/screenshot-thumbnails.js
@@ -21,7 +21,7 @@ class ScreenshotThumbnails extends Audit {
   static get meta() {
     return {
       name: 'screenshot-thumbnails',
-      informative: true,
+      scoreDisplayMode: Audit.SCORING_MODES.INFORMATIVE,
       description: 'Screenshot Thumbnails',
       helpText: 'This is what the load of your site looked like.',
       requiredArtifacts: ['traces', 'devtoolsLogs'],
diff --git a/lighthouse-core/audits/time-to-first-byte.js b/lighthouse-core/audits/time-to-first-byte.js
index c325f3cc7afa..1372cfbf52f1 100644
--- a/lighthouse-core/audits/time-to-first-byte.js
+++ b/lighthouse-core/audits/time-to-first-byte.js
@@ -18,7 +18,6 @@ class TTFBMetric extends Audit {
     return {
       name: 'time-to-first-byte',
       description: 'Keep server response times low (TTFB)',
-      informative: true,
       helpText: 'Time To First Byte identifies the time at which your server sends a response.' +
         ' [Learn more](https://developers.google.com/web/tools/chrome-devtools/network-performance/issues).',
       requiredArtifacts: ['devtoolsLogs', 'URL'],
diff --git a/lighthouse-core/audits/user-timings.js b/lighthouse-core/audits/user-timings.js
index 33e14211aee5..7eb7cd347a73 100644
--- a/lighthouse-core/audits/user-timings.js
+++ b/lighthouse-core/audits/user-timings.js
@@ -17,12 +17,12 @@ class UserTimings extends Audit {
   static get meta() {
     return {
       name: 'user-timings',
+      scoreDisplayMode: Audit.SCORING_MODES.INFORMATIVE,
       description: 'User Timing marks and measures',
       helpText: 'Consider instrumenting your app with the User Timing API to create custom, ' +
           'real-world measurements of key user experiences. ' +
           '[Learn more](https://developers.google.com/web/tools/lighthouse/audits/user-timing).',
       requiredArtifacts: ['traces'],
-      informative: true,
     };
   }
 
diff --git a/lighthouse-core/audits/uses-rel-preconnect.js b/lighthouse-core/audits/uses-rel-preconnect.js
index 8f83b7cbdee8..a7b4b2445863 100644
--- a/lighthouse-core/audits/uses-rel-preconnect.js
+++ b/lighthouse-core/audits/uses-rel-preconnect.js
@@ -24,7 +24,6 @@ class UsesRelPreconnectAudit extends Audit {
     return {
       name: 'uses-rel-preconnect',
       description: 'Avoid multiple, costly round trips to any origin',
-      informative: true,
       helpText:
         'Consider adding preconnect or dns-prefetch resource hints to establish early ' +
         `connections to important third-party origins. [Learn more](https://developers.google.com/web/fundamentals/performance/resource-prioritization#preconnect).`,
diff --git a/lighthouse-core/audits/uses-rel-preload.js b/lighthouse-core/audits/uses-rel-preload.js
index 2724d26e808a..1221e42371dd 100644
--- a/lighthouse-core/audits/uses-rel-preload.js
+++ b/lighthouse-core/audits/uses-rel-preload.js
@@ -17,7 +17,6 @@ class UsesRelPreloadAudit extends Audit {
     return {
       name: 'uses-rel-preload',
       description: 'Preload key requests',
-      informative: true,
       helpText: 'Consider using <link rel=preload> to prioritize fetching late-discovered ' +
         'resources sooner. [Learn more](https://developers.google.com/web/updates/2016/03/link-rel-preload).',
       requiredArtifacts: ['devtoolsLogs', 'traces', 'URL'],
diff --git a/lighthouse-core/config/config.js b/lighthouse-core/config/config.js
index 1f74f00970c5..9de9ab95309e 100644
--- a/lighthouse-core/config/config.js
+++ b/lighthouse-core/config/config.js
@@ -63,10 +63,15 @@ function validateCategories(categories, audits, groups) {
       }
 
       const auditImpl = audit.implementation;
-      if (categoryId === 'accessibility' && !auditRef.group && !auditImpl.meta.manual) {
+      const isManual = auditImpl.meta.scoreDisplayMode === 'manual';
+      if (categoryId === 'accessibility' && !auditRef.group && !isManual) {
         throw new Error(`${auditRef.id} accessibility audit does not have a group`);
       }
 
+      if (auditRef.weight > 0 && isManual) {
+        throw new Error(`${auditRef.id} is manual but has a positive weight`);
+      }
+
       if (auditRef.group && !groups[auditRef.group]) {
         throw new Error(`${auditRef.id} references unknown group ${auditRef.group}`);
       }
@@ -94,8 +99,7 @@ function assertValidAudit(auditDefinition, auditPath) {
 
   // If it'll have a ✔ or ✖ displayed alongside the result, it should have failureDescription
   if (typeof auditDefinition.meta.failureDescription !== 'string' &&
-    auditDefinition.meta.informative !== true &&
-    auditDefinition.meta.scoreDisplayMode !== Audit.SCORING_MODES.NUMERIC) {
+    auditDefinition.meta.scoreDisplayMode === Audit.SCORING_MODES.BINARY) {
     throw new Error(`${auditName} has no failureDescription and should.`);
   }
 
diff --git a/lighthouse-core/report/html/renderer/category-renderer.js b/lighthouse-core/report/html/renderer/category-renderer.js
index 443267a9a7bd..d03606f59c99 100644
--- a/lighthouse-core/report/html/renderer/category-renderer.js
+++ b/lighthouse-core/report/html/renderer/category-renderer.js
@@ -50,14 +50,9 @@ class CategoryRenderer {
       header.appendChild(this.detailsRenderer.render(audit.result.details));
     }
 
-    this.dom.find('.lh-audit__index', auditEl).textContent = `${index + 1}`;
+    auditEl.classList.add(`lh-audit--${audit.result.scoreDisplayMode}`);
 
-    if (audit.result.informative) {
-      auditEl.classList.add('lh-audit--informative');
-    }
-    if (audit.result.manual) {
-      auditEl.classList.add('lh-audit--manual');
-    }
+    this.dom.find('.lh-audit__index', auditEl).textContent = `${index + 1}`;
 
     this._setRatingClass(auditEl, audit.result.score, scoreDisplayMode, audit.result.error);
 
@@ -255,7 +250,7 @@ class CategoryRenderer {
     this.createPermalinkSpan(element, category.id);
     element.appendChild(this.renderCategoryScore(category));
 
-    const manualAudits = category.audits.filter(audit => audit.result.manual);
+    const manualAudits = category.audits.filter(item => item.result.scoreDisplayMode === 'manual');
     const nonManualAudits = category.audits.filter(audit => !manualAudits.includes(audit));
 
     const auditsGroupedByGroup = /** @type {!Object<string,
@@ -280,7 +275,7 @@ class CategoryRenderer {
         group = auditsUngrouped;
       }
 
-      if (audit.result.notApplicable) {
+      if (audit.result.scoreDisplayMode === 'not-applicable') {
         group.notApplicable.push(audit);
       } else if (audit.result.score === 1 && !audit.result.debugString) {
         group.passed.push(audit);
diff --git a/lighthouse-core/report/html/renderer/performance-category-renderer.js b/lighthouse-core/report/html/renderer/performance-category-renderer.js
index 5f6f68ccade5..f050c49ca4a2 100644
--- a/lighthouse-core/report/html/renderer/performance-category-renderer.js
+++ b/lighthouse-core/report/html/renderer/performance-category-renderer.js
@@ -173,8 +173,8 @@ class PerformanceCategoryRenderer extends CategoryRenderer {
     const diagnosticAudits = category.audits
         .filter(audit => audit.group === 'diagnostics' && audit.result.score < 1)
         .sort((a, b) => {
-          const scoreA = a.result.informative ? 100 : a.result.score;
-          const scoreB = b.result.informative ? 100 : b.result.score;
+          const scoreA = a.result.scoreDisplayMode === 'informative' ? 100 : a.result.score;
+          const scoreB = b.result.scoreDisplayMode === 'informative' ? 100 : b.result.score;
           return scoreA - scoreB;
         });
 
diff --git a/lighthouse-core/report/html/renderer/report-renderer.js b/lighthouse-core/report/html/renderer/report-renderer.js
index 9ad97e5f1042..6c8072a54adb 100644
--- a/lighthouse-core/report/html/renderer/report-renderer.js
+++ b/lighthouse-core/report/html/renderer/report-renderer.js
@@ -207,9 +207,6 @@ if (typeof module !== 'undefined' && module.exports) {
  *     rawValue: (number|boolean|undefined),
  *     name: string,
  *     description: string,
- *     informative: (boolean|undefined),
- *     manual: (boolean|undefined),
- *     notApplicable: (boolean|undefined),
  *     debugString: (string|undefined),
  *     displayValue: (string|Array<string|number>),
  *     helpText: string,
diff --git a/lighthouse-core/scoring.js b/lighthouse-core/scoring.js
index 43d4e25173b3..1748d38fcdf5 100644
--- a/lighthouse-core/scoring.js
+++ b/lighthouse-core/scoring.js
@@ -6,6 +6,8 @@
 
 'use strict';
 
+const Audit = require('./audits/audit');
+
 /**
  * Clamp figure to 2 decimal places
  * @param {number} val
@@ -54,7 +56,7 @@ class ReportScoring {
         // will still be included in the final report json and displayed in the report as
         // "Not Applicable".
         const result = resultsByAuditId[member.id];
-        if (result.notApplicable) {
+        if (result.scoreDisplayMode === Audit.SCORING_MODES.NOT_APPLICABLE) {
           member.weight = 0;
         }
         return member;
diff --git a/lighthouse-core/test/audits/audit-test.js b/lighthouse-core/test/audits/audit-test.js
index 9b0a879735e5..592614b3e334 100644
--- a/lighthouse-core/test/audits/audit-test.js
+++ b/lighthouse-core/test/audits/audit-test.js
@@ -90,6 +90,6 @@ describe('Audit', () => {
     const providedResult = {rawValue: true, notApplicable: true};
     const result = Audit.generateAuditResult(B, providedResult);
     assert.equal(result.score, 1);
-    assert.equal(result.informative, true);
+    assert.equal(result.scoreDisplayMode, 'not-applicable');
   });
 });
diff --git a/lighthouse-core/test/audits/manual-audit-test.js b/lighthouse-core/test/audits/manual-audit-test.js
index dfc9eea4e56e..5319e26f8d8d 100644
--- a/lighthouse-core/test/audits/manual-audit-test.js
+++ b/lighthouse-core/test/audits/manual-audit-test.js
@@ -24,7 +24,6 @@ describe('ManualAudit', () => {
   it('sets defaults', () => {
     assert.equal(TestAudit.meta.name, 'manual-audit');
     assert.equal(TestAudit.meta.requiredArtifacts.length, 0);
-    assert.equal(TestAudit.meta.informative, true);
-    assert.equal(TestAudit.meta.manual, true);
+    assert.equal(TestAudit.meta.scoreDisplayMode, 'manual');
   });
 });
diff --git a/lighthouse-core/test/config/config-test.js b/lighthouse-core/test/config/config-test.js
index 56e5c8c3450a..4c6a1cc49017 100644
--- a/lighthouse-core/test/config/config-test.js
+++ b/lighthouse-core/test/config/config-test.js
@@ -271,6 +271,19 @@ describe('Config', () => {
     }), /unknown group missing-group/);
   });
 
+  it('throws when a manual audit has weight', () => {
+    return assert.throws(_ => new Config({
+      audits: ['manual/pwa-cross-browser'],
+      categories: {
+        accessibility: {
+          audits: [
+            {id: 'pwa-cross-browser', weight: 10},
+          ],
+        },
+      },
+    }), /cross-browser .*has a positive weight/);
+  });
+
   it('filters the config', () => {
     const config = new Config({
       settings: {
diff --git a/lighthouse-core/test/report/html/renderer/category-renderer-test.js b/lighthouse-core/test/report/html/renderer/category-renderer-test.js
index eaf893c4ff61..81c498ea091d 100644
--- a/lighthouse-core/test/report/html/renderer/category-renderer-test.js
+++ b/lighthouse-core/test/report/html/renderer/category-renderer-test.js
@@ -80,7 +80,7 @@ describe('CategoryRenderer', () => {
   it('renders an informative audit', () => {
     const auditDOM = renderer.renderAudit({
       id: 'informative', score: 0,
-      result: {description: 'It informs', helpText: 'help text', informative: true},
+      result: {description: 'It informs', helpText: 'help text', scoreDisplayMode: 'informative'},
     });
 
     assert.ok(auditDOM.matches('.lh-audit--informative'));
@@ -133,7 +133,7 @@ describe('CategoryRenderer', () => {
     const pwaCategory = sampleResults.reportCategories.find(cat => cat.id === 'pwa');
     const categoryDOM = renderer.render(pwaCategory, sampleResults.reportGroups);
     assert.ok(categoryDOM.querySelector('.lh-audit-group--manual .lh-audit-group__summary'));
-    assert.equal(categoryDOM.querySelectorAll('.lh-audit--informative.lh-audit--manual').length, 3,
+    assert.equal(categoryDOM.querySelectorAll('.lh-audit--manual').length, 3,
         'score shows informative and dash icon');
 
     const perfCategory = sampleResults.reportCategories.find(cat => cat.id === 'performance');
@@ -147,9 +147,9 @@ describe('CategoryRenderer', () => {
     assert.ok(categoryDOM.querySelector('.lh-audit-group--notapplicable .lh-audit-group__summary'));
 
     const notApplicableCount = a11yCategory.audits.reduce((sum, audit) =>
-        sum += audit.result.notApplicable ? 1 : 0, 0);
+        sum += audit.result.scoreDisplayMode === 'not-applicable' ? 1 : 0, 0);
     assert.equal(
-      categoryDOM.querySelectorAll('.lh-audit-group--notapplicable .lh-audit--informative').length,
+      categoryDOM.querySelectorAll('.lh-audit-group--notapplicable .lh-audit').length,
       notApplicableCount,
       'score shows informative and dash icon'
     );
@@ -184,7 +184,7 @@ describe('CategoryRenderer', () => {
     it.skip('renders the failed audits grouped by group', () => {
       const categoryDOM = renderer.render(category, sampleResults.reportGroups);
       const failedAudits = category.audits.filter(audit => {
-        return audit.result.score !== 1 && !audit.result.notApplicable;
+        return audit.result.score !== 1 && !audit.result.scoreDisplayMode === 'not-applicable';
       });
       const failedAuditTags = new Set(failedAudits.map(audit => audit.group));
 
@@ -195,7 +195,7 @@ describe('CategoryRenderer', () => {
     it('renders the passed audits grouped by group', () => {
       const categoryDOM = renderer.render(category, sampleResults.reportGroups);
       const passedAudits = category.audits.filter(audit =>
-          !audit.result.notApplicable && audit.result.score === 1);
+          audit.result.scoreDisplayMode !== 'not-applicable' && audit.result.score === 1);
       const passedAuditTags = new Set(passedAudits.map(audit => audit.group));
 
       const passedAuditGroups = categoryDOM.querySelectorAll('.lh-passed-audits .lh-audit-group');
diff --git a/lighthouse-core/test/results/sample_v2.json b/lighthouse-core/test/results/sample_v2.json
index e00451e5da4d..41fcfdbba24c 100644
--- a/lighthouse-core/test/results/sample_v2.json
+++ b/lighthouse-core/test/results/sample_v2.json
@@ -132,8 +132,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
+      "scoreDisplayMode": "informative",
       "name": "screenshot-thumbnails",
       "description": "Screenshot Thumbnails",
       "helpText": "This is what the load of your site looked like.",
@@ -267,7 +266,6 @@
         }
       },
       "scoreDisplayMode": "binary",
-      "informative": true,
       "name": "time-to-first-byte",
       "description": "Keep server response times low (TTFB)",
       "helpText": "Time To First Byte identifies the time at which your server sends a response. [Learn more](https://developers.google.com/web/tools/chrome-devtools/network-performance/issues).",
@@ -314,8 +312,7 @@
       "extendedInfo": {
         "value": []
       },
-      "scoreDisplayMode": "binary",
-      "informative": true,
+      "scoreDisplayMode": "informative",
       "name": "user-timings",
       "description": "User Timing marks and measures",
       "helpText": "Consider instrumenting your app with the User Timing API to create custom, real-world measurements of key user experiences. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/user-timing).",
@@ -481,8 +478,7 @@
           }
         }
       },
-      "scoreDisplayMode": "binary",
-      "informative": true,
+      "scoreDisplayMode": "informative",
       "name": "critical-request-chains",
       "description": "Critical Request Chains",
       "helpText": "The Critical Request Chains below show you what resources are issued with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/critical-request-chains).",
@@ -1078,7 +1074,6 @@
         "value": []
       },
       "scoreDisplayMode": "numeric",
-      "informative": true,
       "name": "uses-rel-preload",
       "description": "Preload key requests",
       "helpText": "Consider using <link rel=preload> to prioritize fetching late-discovered resources sooner. [Learn more](https://developers.google.com/web/updates/2016/03/link-rel-preload).",
@@ -1102,7 +1097,6 @@
         "value": []
       },
       "scoreDisplayMode": "numeric",
-      "informative": true,
       "name": "uses-rel-preconnect",
       "description": "Avoid multiple, costly round trips to any origin",
       "helpText": "Consider adding preconnect or dns-prefetch resource hints to establish early connections to important third-party origins. [Learn more](https://developers.google.com/web/fundamentals/performance/resource-prioritization#preconnect).",
@@ -1299,8 +1293,7 @@
           }
         ]
       },
-      "scoreDisplayMode": "binary",
-      "informative": true,
+      "scoreDisplayMode": "informative",
       "name": "network-requests",
       "description": "Network Requests",
       "helpText": "Lists the network requests that were made during page load.",
@@ -1517,8 +1510,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": 4927.278,
-      "scoreDisplayMode": "binary",
-      "informative": true,
+      "scoreDisplayMode": "informative",
       "name": "metrics",
       "description": "Metrics",
       "helpText": "Collects all available metrics.",
@@ -1624,9 +1616,7 @@
       "score": 0,
       "displayValue": "",
       "rawValue": false,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "manual": true,
+      "scoreDisplayMode": "manual",
       "name": "pwa-cross-browser",
       "description": "Site works cross-browser",
       "helpText": "To reach the most number of users, sites should work across every major browser. [Learn more](https://developers.google.com/web/progressive-web-apps/checklist#site-works-cross-browser)."
@@ -1635,9 +1625,7 @@
       "score": 0,
       "displayValue": "",
       "rawValue": false,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "manual": true,
+      "scoreDisplayMode": "manual",
       "name": "pwa-page-transitions",
       "description": "Page transitions don't feel like they block on the network",
       "helpText": "Transitions should feel snappy as you tap around, even on a slow network, a key to perceived performance. [Learn more](https://developers.google.com/web/progressive-web-apps/checklist#page-transitions-dont-feel-like-they-block-on-the-network)."
@@ -1646,9 +1634,7 @@
       "score": 0,
       "displayValue": "",
       "rawValue": false,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "manual": true,
+      "scoreDisplayMode": "manual",
       "name": "pwa-each-page-has-url",
       "description": "Each page has a URL",
       "helpText": "Ensure individual pages are deep linkable via the URLs and that URLs are unique for the purpose of shareability on social media. [Learn more](https://developers.google.com/web/progressive-web-apps/checklist#each-page-has-a-url)."
@@ -1657,9 +1643,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "accesskeys",
       "description": "`[accesskey]` values are unique",
       "helpText": "Access keys let users quickly focus a part of the page. For proper navigation, each access key must be unique. [Learn more](https://dequeuniversity.com/rules/axe/2.2/accesskeys?application=lighthouse)."
@@ -1668,9 +1652,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "aria-allowed-attr",
       "description": "`[aria-*]` attributes match their roles",
       "helpText": "Each ARIA `role` supports a specific subset of `aria-*` attributes. Mismatching these invalidates the `aria-*` attributes. [Learn more](https://dequeuniversity.com/rules/axe/2.2/aria-allowed-attr?application=lighthouse)."
@@ -1679,9 +1661,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "aria-required-attr",
       "description": "`[role]`s have all required `[aria-*]` attributes",
       "helpText": "Some ARIA roles have required attributes that describe the state of the element to screen readers. [Learn more](https://dequeuniversity.com/rules/axe/2.2/aria-required-attr?application=lighthouse)."
@@ -1690,9 +1670,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "aria-required-children",
       "description": "Elements with `[role]` that require specific children `[role]`s, are present",
       "helpText": "Some ARIA parent roles must contain specific child roles to perform their intended accessibility functions. [Learn more](https://dequeuniversity.com/rules/axe/2.2/aria-required-children?application=lighthouse)."
@@ -1701,9 +1679,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "aria-required-parent",
       "description": "`[role]`s are contained by their required parent element",
       "helpText": "Some ARIA child roles must be contained by specific parent roles to properly perform their intended accessibility functions. [Learn more](https://dequeuniversity.com/rules/axe/2.2/aria-required-parent?application=lighthouse)."
@@ -1712,9 +1688,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "aria-roles",
       "description": "`[role]` values are valid",
       "helpText": "ARIA roles must have valid values in order to perform their intended accessibility functions. [Learn more](https://dequeuniversity.com/rules/axe/2.2/aria-roles?application=lighthouse)."
@@ -1723,9 +1697,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "aria-valid-attr-value",
       "description": "`[aria-*]` attributes have valid values",
       "helpText": "Assistive technologies, like screen readers, can't interpret ARIA attributes with invalid values. [Learn more](https://dequeuniversity.com/rules/axe/2.2/aria-valid-attr-value?application=lighthouse)."
@@ -1734,9 +1706,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "aria-valid-attr",
       "description": "`[aria-*]` attributes are valid and not misspelled",
       "helpText": "Assistive technologies, like screen readers, can't interpret ARIA attributes with invalid names. [Learn more](https://dequeuniversity.com/rules/axe/2.2/aria-valid-attr?application=lighthouse)."
@@ -1745,9 +1715,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "audio-caption",
       "description": "`<audio>` elements contain a `<track>` element with `[kind=\"captions\"]`",
       "helpText": "Captions make audio elements usable for deaf or hearing-impaired users, providing critical information such as who is talking, what they're saying, and other non-speech information. [Learn more](https://dequeuniversity.com/rules/axe/2.2/audio-caption?application=lighthouse)."
@@ -1756,9 +1724,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "button-name",
       "description": "Buttons have an accessible name",
       "helpText": "When a button doesn't have an accessible name, screen readers announce it as \"button\", making it unusable for users who rely on screen readers. [Learn more](https://dequeuniversity.com/rules/axe/2.2/button-name?application=lighthouse)."
@@ -1855,9 +1821,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "definition-list",
       "description": "`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>` or `<template>` elements.",
       "helpText": "When definition lists are not properly marked up, screen readers may produce confusing or inaccurate output. [Learn more](https://dequeuniversity.com/rules/axe/2.2/definition-list?application=lighthouse)."
@@ -1866,9 +1830,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "dlitem",
       "description": "Definition list items are wrapped in `<dl>` elements",
       "helpText": "Definition list items (`<dt>` and `<dd>`) must be wrapped in a parent `<dl>` element to ensure that screen readers can properly announce them. [Learn more](https://dequeuniversity.com/rules/axe/2.2/dlitem?application=lighthouse)."
@@ -1907,9 +1869,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "frame-title",
       "description": "`<frame>` or `<iframe>` elements have a title",
       "helpText": "Screen reader users rely on frame titles to describe the contents of frames. [Learn more](https://dequeuniversity.com/rules/axe/2.2/frame-title?application=lighthouse)."
@@ -1973,9 +1933,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "html-lang-valid",
       "description": "`<html>` element has a valid value for its `[lang]` attribute",
       "helpText": "Specifying a valid [BCP 47 language](https://www.w3.org/International/questions/qa-choosing-language-tags#question) helps screen readers announce text properly. [Learn more](https://dequeuniversity.com/rules/axe/2.2/valid-lang?application=lighthouse)."
@@ -2077,9 +2035,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "input-image-alt",
       "description": "`<input type=\"image\">` elements have `[alt]` text",
       "helpText": "When an image is being used as an `<input>` button, providing alternative text can help screen reader users understand the purpose of the button. [Learn more](https://dequeuniversity.com/rules/axe/2.2/input-image-alt?application=lighthouse)."
@@ -2182,9 +2138,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "layout-table",
       "description": "Presentational `<table>` elements avoid using `<th>`, `<caption>` or the `[summary]` attribute.",
       "helpText": "A table being used for layout purposes should not include data elements, such as the th or caption elements or the summary attribute, because this can create a confusing experience for screen reader users. [Learn more](https://dequeuniversity.com/rules/axe/2.2/layout-table?application=lighthouse)."
@@ -2270,9 +2224,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "list",
       "description": "Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).",
       "helpText": "Screen readers have a specific way of announcing lists. Ensuring proper list structure aids screen reader output. [Learn more](https://dequeuniversity.com/rules/axe/2.2/list?application=lighthouse)."
@@ -2281,9 +2233,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "listitem",
       "description": "List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements",
       "helpText": "Screen readers require list items (`<li>`) to be contained within a parent `<ul>` or `<ol>` to be announced properly. [Learn more](https://dequeuniversity.com/rules/axe/2.2/listitem?application=lighthouse)."
@@ -2292,9 +2242,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "meta-refresh",
       "description": "The document does not use `<meta http-equiv=\"refresh\">`",
       "helpText": "Users do not expect a page to refresh automatically, and doing so will move focus back to the top of the page. This may create a frustrating or confusing experience. [Learn more](https://dequeuniversity.com/rules/axe/2.2/meta-refresh?application=lighthouse)."
@@ -2318,9 +2266,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "object-alt",
       "description": "`<object>` elements have `[alt]` text",
       "helpText": "Screen readers cannot translate non-text content. Adding alt text to `<object>` elements helps screen readers convey meaning to users. [Learn more](https://dequeuniversity.com/rules/axe/2.2/object-alt?application=lighthouse)."
@@ -2329,9 +2275,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "tabindex",
       "description": "No element has a `[tabindex]` value greater than 0",
       "helpText": "A value greater than 0 implies an explicit navigation ordering. Although technically valid, this often creates frustrating experiences for users who rely on assistive technologies. [Learn more](https://dequeuniversity.com/rules/axe/2.2/tabindex?application=lighthouse)."
@@ -2340,9 +2284,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "td-headers-attr",
       "description": "Cells in a `<table>` element that use the `[headers]` attribute only refer to other cells of that same table.",
       "helpText": "Screen readers have features to make navigating tables easier. Ensuring `<td>` cells using the `[headers]` attribute only refer to other cells in the same table may improve the experience for screen reader users. [Learn more](https://dequeuniversity.com/rules/axe/2.2/td-headers-attr?application=lighthouse)."
@@ -2351,9 +2293,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "th-has-data-cells",
       "description": "`<th>` elements and elements with `[role=\"columnheader\"/\"rowheader\"]` have data cells they describe.",
       "helpText": "Screen readers have features to make navigating tables easier. Ensuring table headers always refer to some set of cells may improve the experience for screen reader users. [Learn more](https://dequeuniversity.com/rules/axe/2.2/th-has-data-cells?application=lighthouse)."
@@ -2362,9 +2302,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "valid-lang",
       "description": "`[lang]` attributes have a valid value",
       "helpText": "Specifying a valid [BCP 47 language](https://www.w3.org/International/questions/qa-choosing-language-tags#question) on elements helps ensure that text is pronounced correctly by a screen reader. [Learn more](https://dequeuniversity.com/rules/axe/2.2/valid-lang?application=lighthouse)."
@@ -2373,9 +2311,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "video-caption",
       "description": "`<video>` elements contain a `<track>` element with `[kind=\"captions\"]`",
       "helpText": "When a video provides a caption it is easier for deaf and hearing impaired users to access its information. [Learn more](https://dequeuniversity.com/rules/axe/2.2/video-caption?application=lighthouse)."
@@ -2384,9 +2320,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "video-description",
       "description": "`<video>` elements contain a `<track>` element with `[kind=\"description\"]`",
       "helpText": "Audio descriptions provide relevant information for videos that dialogue cannot, such as facial expressions and scenes. [Learn more](https://dequeuniversity.com/rules/axe/2.2/video-description?application=lighthouse)."
@@ -2395,9 +2329,7 @@
       "score": 0,
       "displayValue": "",
       "rawValue": false,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "manual": true,
+      "scoreDisplayMode": "manual",
       "name": "custom-controls-labels",
       "description": "Custom controls have associated labels",
       "helpText": "Custom interactive controls have associated labels, provided by aria-label or aria-labelledby. [Learn more](https://developers.google.com/web/fundamentals/accessibility/how-to-review#try_it_with_a_screen_reader)."
@@ -2406,9 +2338,7 @@
       "score": 0,
       "displayValue": "",
       "rawValue": false,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "manual": true,
+      "scoreDisplayMode": "manual",
       "name": "custom-controls-roles",
       "description": "Custom controls have ARIA roles",
       "helpText": "Custom interactive controls have appropriate ARIA roles. [Learn more](https://developers.google.com/web/fundamentals/accessibility/how-to-review#try_it_with_a_screen_reader)."
@@ -2417,9 +2347,7 @@
       "score": 0,
       "displayValue": "",
       "rawValue": false,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "manual": true,
+      "scoreDisplayMode": "manual",
       "name": "focus-traps",
       "description": "User focus is not accidentally trapped in a region",
       "helpText": "A user can tab into and out of any control or region without accidentally trapping their focus. [Learn more](https://developers.google.com/web/fundamentals/accessibility/how-to-review#start_with_the_keyboard)."
@@ -2428,9 +2356,7 @@
       "score": 0,
       "displayValue": "",
       "rawValue": false,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "manual": true,
+      "scoreDisplayMode": "manual",
       "name": "focusable-controls",
       "description": "Interactive controls are keyboard focusable",
       "helpText": "Custom interactive controls are keyboard focusable and display a focus indicator. [Learn more](https://developers.google.com/web/fundamentals/accessibility/how-to-review#start_with_the_keyboard)."
@@ -2439,9 +2365,7 @@
       "score": 0,
       "displayValue": "",
       "rawValue": false,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "manual": true,
+      "scoreDisplayMode": "manual",
       "name": "heading-levels",
       "description": "Headings don't skip levels",
       "helpText": "Headings are used to create an outline for the page and heading levels are not skipped. [Learn more](https://developers.google.com/web/fundamentals/accessibility/how-to-review#take_advantage_of_headings_and_landmarks)."
@@ -2450,9 +2374,7 @@
       "score": 0,
       "displayValue": "",
       "rawValue": false,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "manual": true,
+      "scoreDisplayMode": "manual",
       "name": "logical-tab-order",
       "description": "The page has a logical tab order",
       "helpText": "Tabbing through the page follows the visual layout. Users cannot focus elements that are offscreen. [Learn more](https://developers.google.com/web/fundamentals/accessibility/how-to-review#start_with_the_keyboard)."
@@ -2461,9 +2383,7 @@
       "score": 0,
       "displayValue": "",
       "rawValue": false,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "manual": true,
+      "scoreDisplayMode": "manual",
       "name": "managed-focus",
       "description": "The user's focus is directed to new content added to the page",
       "helpText": "If new content, such as a dialog, is added to the page, the user's focus is directed to it. [Learn more](https://developers.google.com/web/fundamentals/accessibility/how-to-review#start_with_the_keyboard)."
@@ -2472,9 +2392,7 @@
       "score": 0,
       "displayValue": "",
       "rawValue": false,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "manual": true,
+      "scoreDisplayMode": "manual",
       "name": "offscreen-content-hidden",
       "description": "Offscreen content is hidden from assistive technology",
       "helpText": "Offscreen content is hidden with display: none or aria-hidden=true. [Learn more](https://developers.google.com/web/fundamentals/accessibility/how-to-review#try_it_with_a_screen_reader)."
@@ -2483,9 +2401,7 @@
       "score": 0,
       "displayValue": "",
       "rawValue": false,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "manual": true,
+      "scoreDisplayMode": "manual",
       "name": "use-landmarks",
       "description": "HTML5 landmark elements are used to improve navigation",
       "helpText": "Landmark elements (<main>, <nav>, etc.) are used to improve the keyboard navigation of the page for assistive technology. [Learn more](https://developers.google.com/web/fundamentals/accessibility/how-to-review#take_advantage_of_headings_and_landmarks)."
@@ -2494,9 +2410,7 @@
       "score": 0,
       "displayValue": "",
       "rawValue": false,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "manual": true,
+      "scoreDisplayMode": "manual",
       "name": "visual-order-follows-dom",
       "description": "Visual order on the page follows DOM order",
       "helpText": "DOM order matches the visual order, improving navigation for assistive technology. [Learn more](https://developers.google.com/web/fundamentals/accessibility/how-to-review#try_it_with_a_screen_reader)."
@@ -2876,7 +2790,6 @@
         }
       },
       "scoreDisplayMode": "numeric",
-      "informative": true,
       "name": "offscreen-images",
       "description": "Defer offscreen images",
       "helpText": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/offscreen-images).",
@@ -2895,7 +2808,6 @@
       "displayValue": "5 resources delayed first paint by 1129ms",
       "rawValue": 1129,
       "scoreDisplayMode": "numeric",
-      "informative": true,
       "name": "render-blocking-resources",
       "description": "Eliminate render-blocking resources",
       "helpText": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/blocking-resources).",
@@ -2965,7 +2877,6 @@
         }
       },
       "scoreDisplayMode": "numeric",
-      "informative": true,
       "name": "unminified-css",
       "description": "Minify CSS",
       "helpText": "Minifying CSS files can reduce network payload sizes. [Learn more](https://developers.google.com/speed/docs/insights/MinifyResources).",
@@ -3001,7 +2912,6 @@
         }
       },
       "scoreDisplayMode": "numeric",
-      "informative": true,
       "name": "unminified-javascript",
       "description": "Minify JavaScript",
       "helpText": "Minifying JavaScript files can reduce payload sizes and script parse time. [Learn more](https://developers.google.com/speed/docs/insights/MinifyResources).",
@@ -3054,7 +2964,6 @@
         }
       },
       "scoreDisplayMode": "numeric",
-      "informative": true,
       "name": "unused-css-rules",
       "description": "Unused CSS rules",
       "helpText": "Remove unused rules from stylesheets to reduce unnecessary bytes consumed by network activity. [Learn more](https://developers.google.com/speed/docs/insights/OptimizeCSSDelivery).",
@@ -3091,7 +3000,6 @@
         }
       },
       "scoreDisplayMode": "numeric",
-      "informative": true,
       "name": "uses-webp-images",
       "description": "Serve images in next-gen formats",
       "helpText": "Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/webp).",
@@ -3150,7 +3058,6 @@
         }
       },
       "scoreDisplayMode": "numeric",
-      "informative": true,
       "name": "uses-optimized-images",
       "description": "Efficiently encode images",
       "helpText": "Optimized images load faster and consume less cellular data. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/optimize-images).",
@@ -3190,7 +3097,6 @@
         }
       },
       "scoreDisplayMode": "numeric",
-      "informative": true,
       "name": "uses-text-compression",
       "description": "Enable text compression",
       "helpText": "Text-based responses should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more](https://developers.google.com/web/fundamentals/performance/optimizing-content-efficiency/optimize-encoding-and-transfer).",
@@ -3247,7 +3153,6 @@
         }
       },
       "scoreDisplayMode": "numeric",
-      "informative": true,
       "name": "uses-responsive-images",
       "description": "Properly size images",
       "helpText": "Serve images that are appropriately-sized to save cellular data and improve load time. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/oversized-images).",
@@ -4563,9 +4468,7 @@
       "score": 1,
       "displayValue": "",
       "rawValue": true,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "notApplicable": true,
+      "scoreDisplayMode": "not-applicable",
       "name": "canonical",
       "description": "Document has a valid `rel=canonical`",
       "helpText": "Canonical links suggest which URL to show in search results. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/canonical)."
@@ -4574,9 +4477,7 @@
       "score": 0,
       "displayValue": "",
       "rawValue": false,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "manual": true,
+      "scoreDisplayMode": "manual",
       "name": "mobile-friendly",
       "description": "Page is mobile friendly",
       "helpText": "Take the [Mobile-Friendly Test](https://search.google.com/test/mobile-friendly) to check for audits not covered by Lighthouse, like sizing tap targets appropriately. [Learn more](https://developers.google.com/search/mobile-sites/)."
@@ -4585,9 +4486,7 @@
       "score": 0,
       "displayValue": "",
       "rawValue": false,
-      "scoreDisplayMode": "binary",
-      "informative": true,
-      "manual": true,
+      "scoreDisplayMode": "manual",
       "name": "structured-data",
       "description": "Structured data is valid",
       "helpText": "Run the [Structured Data Testing Tool](https://search.google.com/structured-data/testing-tool/) and the [Structured Data Linter](http://linter.structured-data.org/) to validate structured data. [Learn more](https://developers.google.com/search/docs/guides/mark-up-content)."
diff --git a/lighthouse-core/test/scoring-test.js b/lighthouse-core/test/scoring-test.js
index 96efda8fe64e..d8bab73007ec 100644
--- a/lighthouse-core/test/scoring-test.js
+++ b/lighthouse-core/test/scoring-test.js
@@ -64,9 +64,9 @@ describe('ReportScoring', () => {
 
     it('should weight notApplicable audits as 0', () => {
       const resultsByAuditId = {
-        'my-boolean-audit': {score: 1, extendedInfo: {}, notApplicable: true},
+        'my-boolean-audit': {score: 1, extendedInfo: {}, scoreDisplayMode: 'not-applicable'},
         'my-scored-audit': {score: 1},
-        'my-failed-audit': {score: 0.2, notApplicable: true},
+        'my-failed-audit': {score: 0.2, scoreDisplayMode: 'not-applicable'},
         'my-boolean-failed-audit': {score: 0},
       };
 
diff --git a/typings/audit.d.ts b/typings/audit.d.ts
index 46a63a5e2fec..5651a32a756f 100644
--- a/typings/audit.d.ts
+++ b/typings/audit.d.ts
@@ -16,12 +16,15 @@ declare global {
       scoreMedian: number;
     }
 
-    export interface ScoringModes {
+    export interface ScoreDisplayModes {
       NUMERIC: 'numeric';
       BINARY: 'binary';
+      MANUAL: 'manual';
+      INFORMATIVE: 'informative';
+      NOT_APPLICABLE: 'not-applicable';
     }
 
-    export type ScoringModeValue = Audit.ScoringModes[keyof Audit.ScoringModes];
+    export type ScoreDisplayMode = Audit.ScoreDisplayModes[keyof Audit.ScoreDisplayModes];
 
     interface DisplayValueArray extends Array<string|number> {
       0: string;
@@ -35,9 +38,7 @@ declare global {
       helpText: string;
       requiredArtifacts: Array<keyof Artifacts>;
       failureDescription?: string;
-      informative?: boolean;
-      manual?: boolean;
-      scoreDisplayMode?: Audit.ScoringModeValue;
+      scoreDisplayMode?: Audit.ScoreDisplayMode;
     }
 
     export interface Heading {
@@ -110,6 +111,7 @@ declare global {
       debugString?: string;
       score?: number;
       extendedInfo?: {[p: string]: any};
+      /** Overrides scoreDisplayMode with not-applicable if set to true */
       notApplicable?: boolean;
       error?: boolean;
       // TODO(bckenny): define details
@@ -122,15 +124,12 @@ declare global {
       displayValue: DisplayValue;
       debugString?: string;
       score: number;
-      scoreDisplayMode: ScoringModeValue;
+      scoreDisplayMode: ScoreDisplayMode;
       description: string;
       extendedInfo?: {[p: string]: any};
-      notApplicable?: boolean;
       error?: boolean;
       name: string;
       helpText?: string;
-      informative?: boolean;
-      manual?: boolean;
       // TODO(bckenny): define details
       details?: object;
     }