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Script component docs #25471
Script component docs #25471
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docs/basic-features/script.md
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Three loading strategies will be initially supported for wrapping 3Ps: | ||
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- before-interactive |
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It's not clear how I use these options - is there a prop you pass to the component?
- script is injected in SSR’s HTML - similar to self-bundled JS | ||
- after-interactive (**default**) | ||
- script is fetched and executed _after_ page is interactive (i.e. after self-bundled javascript is executed) | ||
- script is injected during hydration and will execute soon after hydration |
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I wonder if we need to explain / link to hydration.
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Do we explain how hydration happens in NextJS or just what hydration means in react?
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We don't anywhere currently, as far as I know
Maybe a sentence or two about why this matters. If I don't use this, what happens? How does it affect my core web vitals? |
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- script is injected in SSR’s HTML - similar to self-bundled JS | ||
- after-interactive (**default**) | ||
- script is fetched and executed _after_ page is interactive (i.e. after self-bundled javascript is executed) | ||
- script is injected during hydration and will execute soon after hydration |
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We don't anywhere currently, as far as I know
Stats from current PRDefault Server Mode (Increase detected
|
vercel/next.js canary | janicklas-ralph/next.js script | Change | |
---|---|---|---|
buildDuration | 12.9s | 12.9s | |
buildDurationCached | 3.1s | 3.1s | -52ms |
nodeModulesSize | 46.4 MB | 46.4 MB | ✓ |
Page Load Tests Overall increase ✓
vercel/next.js canary | janicklas-ralph/next.js script | Change | |
---|---|---|---|
/ failed reqs | 0 | 0 | ✓ |
/ total time (seconds) | 2.313 | 2.266 | -0.05 |
/ avg req/sec | 1080.99 | 1103.39 | +22.4 |
/error-in-render failed reqs | 0 | 0 | ✓ |
/error-in-render total time (seconds) | 1.271 | 1.267 | 0 |
/error-in-render avg req/sec | 1966.33 | 1973.1 | +6.77 |
Client Bundles (main, webpack, commons)
vercel/next.js canary | janicklas-ralph/next.js script | Change | |
---|---|---|---|
framework-HASH.js gzip | 42 kB | 42 kB | ✓ |
main-HASH.js gzip | 20.2 kB | 20.2 kB | ✓ |
webpack-HASH.js gzip | 804 B | 804 B | ✓ |
Overall change | 63 kB | 63 kB | ✓ |
Legacy Client Bundles (polyfills)
vercel/next.js canary | janicklas-ralph/next.js script | Change | |
---|---|---|---|
polyfills-HASH.js gzip | 31.1 kB | 31.1 kB | ✓ |
Overall change | 31.1 kB | 31.1 kB | ✓ |
Client Pages
vercel/next.js canary | janicklas-ralph/next.js script | Change | |
---|---|---|---|
_app-HASH.js gzip | 801 B | 801 B | ✓ |
_error-HASH.js gzip | 3.17 kB | 3.17 kB | ✓ |
amp-HASH.js gzip | 527 B | 527 B | ✓ |
css-HASH.js gzip | 329 B | 329 B | ✓ |
hooks-HASH.js gzip | 903 B | 903 B | ✓ |
index-HASH.js gzip | 263 B | 263 B | ✓ |
link-HASH.js gzip | 1.65 kB | 1.65 kB | ✓ |
routerDirect..HASH.js gzip | 322 B | 322 B | ✓ |
withRouter-HASH.js gzip | 320 B | 320 B | ✓ |
bb14e60e810b..30f.css gzip | 125 B | 125 B | ✓ |
Overall change | 8.41 kB | 8.41 kB | ✓ |
Client Build Manifests
vercel/next.js canary | janicklas-ralph/next.js script | Change | |
---|---|---|---|
_buildManifest.js gzip | 391 B | 391 B | ✓ |
Overall change | 391 B | 391 B | ✓ |
Rendered Page Sizes
vercel/next.js canary | janicklas-ralph/next.js script | Change | |
---|---|---|---|
index.html gzip | 522 B | 522 B | ✓ |
link.html gzip | 535 B | 535 B | ✓ |
withRouter.html gzip | 515 B | 515 B | ✓ |
Overall change | 1.57 kB | 1.57 kB | ✓ |
Serverless Mode
General
vercel/next.js canary | janicklas-ralph/next.js script | Change | |
---|---|---|---|
buildDuration | 14.4s | 14.5s | |
buildDurationCached | 4.2s | 4.2s | -29ms |
nodeModulesSize | 46.4 MB | 46.4 MB | ✓ |
Client Bundles (main, webpack, commons)
vercel/next.js canary | janicklas-ralph/next.js script | Change | |
---|---|---|---|
framework-HASH.js gzip | 42 kB | 42 kB | ✓ |
main-HASH.js gzip | 20.2 kB | 20.2 kB | ✓ |
webpack-HASH.js gzip | 804 B | 804 B | ✓ |
Overall change | 63 kB | 63 kB | ✓ |
Legacy Client Bundles (polyfills)
vercel/next.js canary | janicklas-ralph/next.js script | Change | |
---|---|---|---|
polyfills-HASH.js gzip | 31.1 kB | 31.1 kB | ✓ |
Overall change | 31.1 kB | 31.1 kB | ✓ |
Client Pages
vercel/next.js canary | janicklas-ralph/next.js script | Change | |
---|---|---|---|
_app-HASH.js gzip | 801 B | 801 B | ✓ |
_error-HASH.js gzip | 3.17 kB | 3.17 kB | ✓ |
amp-HASH.js gzip | 527 B | 527 B | ✓ |
css-HASH.js gzip | 329 B | 329 B | ✓ |
hooks-HASH.js gzip | 903 B | 903 B | ✓ |
index-HASH.js gzip | 263 B | 263 B | ✓ |
link-HASH.js gzip | 1.65 kB | 1.65 kB | ✓ |
routerDirect..HASH.js gzip | 322 B | 322 B | ✓ |
withRouter-HASH.js gzip | 320 B | 320 B | ✓ |
bb14e60e810b..30f.css gzip | 125 B | 125 B | ✓ |
Overall change | 8.41 kB | 8.41 kB | ✓ |
Client Build Manifests
vercel/next.js canary | janicklas-ralph/next.js script | Change | |
---|---|---|---|
_buildManifest.js gzip | 391 B | 391 B | ✓ |
Overall change | 391 B | 391 B | ✓ |
Serverless bundles Overall increase ⚠️
vercel/next.js canary | janicklas-ralph/next.js script | Change | |
---|---|---|---|
_error.js | 16.9 kB | 16.9 kB | ✓ |
404.html | 1.98 kB | 1.98 kB | ✓ |
500.html | 1.96 kB | 1.96 kB | ✓ |
amp.amp.html | 10.8 kB | 10.8 kB | ✓ |
amp.html | 1.17 kB | 1.17 kB | ✓ |
css.html | 1.35 kB | 1.35 kB | ✓ |
hooks.html | 1.23 kB | 1.23 kB | ✓ |
index.js | 17.2 kB | 17.2 kB | ✓ |
link.js | 17.5 kB | 17.5 kB | ✓ |
routerDirect.js | 17.3 kB | 17.3 kB | ✓ |
withRouter.js | 17.3 kB | 17.3 kB | |
Overall change | 105 kB | 105 kB |
Webpack 4 Mode (Decrease detected ✓)
General
vercel/next.js canary | janicklas-ralph/next.js script | Change | |
---|---|---|---|
buildDuration | 11.4s | 11.5s | |
buildDurationCached | 4.7s | 4.7s | -16ms |
nodeModulesSize | 46.4 MB | 46.4 MB | ✓ |
Page Load Tests Overall decrease ⚠️
vercel/next.js canary | janicklas-ralph/next.js script | Change | |
---|---|---|---|
/ failed reqs | 0 | 0 | ✓ |
/ total time (seconds) | 2.347 | 2.322 | -0.02 |
/ avg req/sec | 1065.09 | 1076.52 | +11.43 |
/error-in-render failed reqs | 0 | 0 | ✓ |
/error-in-render total time (seconds) | 1.286 | 1.298 | |
/error-in-render avg req/sec | 1944.55 | 1925.73 |
Client Bundles (main, webpack, commons)
vercel/next.js canary | janicklas-ralph/next.js script | Change | |
---|---|---|---|
677f882d2ed8..HASH.js gzip | 13.4 kB | 13.4 kB | ✓ |
framework.HASH.js gzip | 41.8 kB | 41.8 kB | ✓ |
main-HASH.js gzip | 7.99 kB | 7.99 kB | ✓ |
webpack-HASH.js gzip | 751 B | 751 B | ✓ |
Overall change | 63.9 kB | 63.9 kB | ✓ |
Legacy Client Bundles (polyfills)
vercel/next.js canary | janicklas-ralph/next.js script | Change | |
---|---|---|---|
polyfills-HASH.js gzip | 31.3 kB | 31.3 kB | ✓ |
Overall change | 31.3 kB | 31.3 kB | ✓ |
Client Pages
vercel/next.js canary | janicklas-ralph/next.js script | Change | |
---|---|---|---|
_app-HASH.js gzip | 1.07 kB | 1.07 kB | ✓ |
_error-HASH.js gzip | 3.84 kB | 3.84 kB | ✓ |
amp-HASH.js gzip | 536 B | 536 B | ✓ |
css-HASH.js gzip | 333 B | 333 B | ✓ |
hooks-HASH.js gzip | 910 B | 910 B | ✓ |
index-HASH.js gzip | 227 B | 227 B | ✓ |
link-HASH.js gzip | 1.64 kB | 1.64 kB | ✓ |
routerDirect..HASH.js gzip | 295 B | 295 B | ✓ |
withRouter-HASH.js gzip | 292 B | 292 B | ✓ |
e025d2764813..52f.css gzip | 125 B | 125 B | ✓ |
Overall change | 9.28 kB | 9.28 kB | ✓ |
Client Build Manifests
vercel/next.js canary | janicklas-ralph/next.js script | Change | |
---|---|---|---|
_buildManifest.js gzip | 420 B | 420 B | ✓ |
Overall change | 420 B | 420 B | ✓ |
Rendered Page Sizes
vercel/next.js canary | janicklas-ralph/next.js script | Change | |
---|---|---|---|
index.html gzip | 568 B | 568 B | ✓ |
link.html gzip | 580 B | 580 B | ✓ |
withRouter.html gzip | 561 B | 561 B | ✓ |
Overall change | 1.71 kB | 1.71 kB | ✓ |
* Script component docs * Update docs with examples and feedback changes * Fix typo * Add example * Update text * Apply suggestions from code review Co-authored-by: JJ Kasper <jj@jjsweb.site>
Adding documentation for Script component
Documentation / Examples