diff --git a/build/index.ts b/build/index.ts
index 34946c41cc07..c9cb88533910 100644
--- a/build/index.ts
+++ b/build/index.ts
@@ -529,6 +529,8 @@ export async function buildDocument(
 
   doc.other_translations = document.translations || [];
 
+  doc.pageType = metadata["page-type"] || "unknown";
+
   injectSource(doc, document, metadata);
 
   if (document.metadata["short-title"]) {
diff --git a/libs/types/document.ts b/libs/types/document.ts
index 8a8990dfb106..f12ea19725e7 100644
--- a/libs/types/document.ts
+++ b/libs/types/document.ts
@@ -153,6 +153,7 @@ export interface DocMetadata {
   browserCompat?: string[];
   baseline?: SupportStatus;
   hash?: string;
+  pageType: string;
 }
 
 export interface Doc extends DocMetadata {