diff --git a/files/en-us/web/html/global_attributes/itemid/index.md b/files/en-us/web/html/global_attributes/itemid/index.md
index 323ab4794605524..20023ac304fc737 100644
--- a/files/en-us/web/html/global_attributes/itemid/index.md
+++ b/files/en-us/web/html/global_attributes/itemid/index.md
@@ -2,7 +2,7 @@
title: itemid
slug: Web/HTML/Global_attributes/itemid
page-type: html-attribute
-browser-compat: html.global_attributes.itemid
+spec-urls: https://html.spec.whatwg.org/multipage/microdata.html#attr-itemid
---
{{HTMLSidebar("Global_attributes")}}
@@ -72,10 +72,6 @@ This example uses microdata attributes to represent the following structured dat
{{Specifications}}
-## Browser compatibility
-
-{{Compat}}
-
## See also
- All [global attributes](/en-US/docs/Web/HTML/Global_attributes).
diff --git a/files/en-us/web/html/global_attributes/itemprop/index.md b/files/en-us/web/html/global_attributes/itemprop/index.md
index 2cb6490c773afa6..7a043425ab7b93c 100644
--- a/files/en-us/web/html/global_attributes/itemprop/index.md
+++ b/files/en-us/web/html/global_attributes/itemprop/index.md
@@ -2,7 +2,7 @@
title: itemprop
slug: Web/HTML/Global_attributes/itemprop
page-type: html-attribute
-browser-compat: html.global_attributes.itemprop
+spec-urls: https://html.spec.whatwg.org/multipage/microdata.html#names:-the-itemprop-attribute
---
{{HTMLSidebar("Global_attributes")}}
@@ -425,10 +425,6 @@ This example uses microdata attributes to represent the following structured dat
{{Specifications}}
-## Browser compatibility
-
-{{Compat}}
-
## See also
- [Other different global attributes](/en-US/docs/Web/HTML/Global_attributes)
diff --git a/files/en-us/web/html/global_attributes/itemref/index.md b/files/en-us/web/html/global_attributes/itemref/index.md
index 94a331d382caac4..f49f6e1bc6839e4 100644
--- a/files/en-us/web/html/global_attributes/itemref/index.md
+++ b/files/en-us/web/html/global_attributes/itemref/index.md
@@ -2,7 +2,7 @@
title: itemref
slug: Web/HTML/Global_attributes/itemref
page-type: html-attribute
-browser-compat: html.global_attributes.itemref
+spec-urls: https://html.spec.whatwg.org/multipage/microdata.html#attr-itemref
---
{{HTMLSidebar("Global_attributes")}}
@@ -53,10 +53,6 @@ This example uses microdata attributes to represent the following structured dat
{{Specifications}}
-## Browser compatibility
-
-{{Compat}}
-
## See also
- [Other different global attributes](/en-US/docs/Web/HTML/Global_attributes)
diff --git a/files/en-us/web/html/global_attributes/itemscope/index.md b/files/en-us/web/html/global_attributes/itemscope/index.md
index 0059decd31283ff..bb521ee720c683d 100644
--- a/files/en-us/web/html/global_attributes/itemscope/index.md
+++ b/files/en-us/web/html/global_attributes/itemscope/index.md
@@ -2,7 +2,7 @@
title: itemscope
slug: Web/HTML/Global_attributes/itemscope
page-type: html-attribute
-browser-compat: html.global_attributes.itemscope
+spec-urls: https://html.spec.whatwg.org/multipage/microdata.html#attr-itemscope
---
{{HTMLSidebar("Global_attributes")}}
@@ -266,10 +266,6 @@ There are four `itemscope` attributes in the following example. Each `itemscope`
{{Specifications}}
-## Browser compatibility
-
-{{Compat}}
-
## See also
- [Other different global attributes](/en-US/docs/Web/HTML/Global_attributes)
diff --git a/files/en-us/web/html/global_attributes/itemtype/index.md b/files/en-us/web/html/global_attributes/itemtype/index.md
index 0ed63d024947aec..5f0b648902983ed 100644
--- a/files/en-us/web/html/global_attributes/itemtype/index.md
+++ b/files/en-us/web/html/global_attributes/itemtype/index.md
@@ -2,7 +2,7 @@
title: itemtype
slug: Web/HTML/Global_attributes/itemtype
page-type: html-attribute
-browser-compat: html.global_attributes.itemtype
+spec-urls: https://html.spec.whatwg.org/multipage/microdata.html#attr-itemtype
---
{{HTMLSidebar("Global_attributes")}}
@@ -193,10 +193,6 @@ This example uses microdata attributes to represent structured data for a produc
{{Specifications}}
-## Browser compatibility
-
-{{Compat}}
-
## See also
- [Other different global attributes](/en-US/docs/Web/HTML/Global_attributes)
diff --git a/files/en-us/web/html/microdata/index.md b/files/en-us/web/html/microdata/index.md
index cd5cd344dc4d4b4..647da09848ad4f2 100644
--- a/files/en-us/web/html/microdata/index.md
+++ b/files/en-us/web/html/microdata/index.md
@@ -147,10 +147,6 @@ In some cases, search engines covering specific regions may provide locally-spec
> **Note:** A handy tool for extracting microdata structures from HTML is Google's [Structured Data Testing Tool](https://developers.google.com/search/docs/advanced/structured-data/intro-structured-data). Try it on the HTML shown above.
-## Browser compatibility
-
-Supported in Firefox 16. Removed in Firefox 49.
-
## See also
- [Global Attributes](/en-US/docs/Web/HTML/Global_attributes)