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mdn/content

The official source for MDN Web Docs content. Home to over 14,000 pages of documentation about HTML, CSS, JS, HTTP, Web APIs, and more.

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 (23,202 forks)
Indexed issues
 (94 indexed issues)
open beginner issues
 (77 open beginner issues)
Latest indexed
Jun 11, 2026
Last GitHub push
Aug 15, 2026
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Contributing guide
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Code of conduct
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Markdown
PR merge metrics
 (Avg merge 7d 3h) (147 merged PRs in 30d)
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Issues

77 open indexed issues

Open
Add missing Wasm docs: Reference instructions
Content:wasmdocument not writtenhelp wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelRepository active this monthContributing guide available

mdn / content · #37854 · Jan 28, 2025 · Markdown · 10,935 stars

0 comments0 reactions0 assignees
Open
Add missing Wasm docs: Vector/SIMD instructions
Content:wasmdocument not writtenhelp wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelRepository active this monthContributing guide available

mdn / content · #37853 · Jan 28, 2025 · Markdown · 10,935 stars

0 comments0 reactions0 assignees
Open
Popover API needs Accessibility Info
Content:WebAPIhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

mdn / content · #37465 · Jan 1, 2025 · Markdown · 10,935 stars

1 comment0 reactions0 assignees
Open
Update/revert docs on Firefox CSP SVG sprite blocking
Content:HTTPContent:Securityhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

mdn / content · #36745 · Nov 11, 2024 · Markdown · 10,935 stars

1 comment1 reaction0 assignees
Open
Inconsistency in dragover event timing information
Content:WebAPIarea: DnDgoal: consistencyhelp wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelRepository active this monthContributing guide available

mdn / content · #36689 · Nov 7, 2024 · Markdown · 10,935 stars

0 comments0 reactions0 assignees
Open
FontFace doc: sizeAdjust is missing
Content:WebAPIdocument not writtenhelp wantedneeds BCD update
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

mdn / content · #36587 · Oct 31, 2024 · Markdown · 10,935 stars

3 comments0 reactions0 assignees
Open
SDP glossary page not informative enough
Content:Glossaryhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

mdn / content · #36500 · Oct 25, 2024 · Markdown · 10,935 stars

1 comment0 reactions0 assignees
Open
File selector can be styled
Content:Learn:Formshelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

mdn / content · #36090 · Sep 28, 2024 · Markdown · 10,935 stars

1 comment1 reaction0 assignees
Open
webrtc: Call createDataChannel after createOffer
Content:WebAPIarea: WebRTChelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

mdn / content · #35932 · Sep 18, 2024 · Markdown · 10,935 stars

1 comment0 reactions0 assignees
Open
popover api examples need better a11y considerations
Content:WebAPIhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

mdn / content · #35811 · Sep 9, 2024 · Markdown · 10,935 stars

1 comment1 reaction0 assignees
Open
<url>: mention which properties have CORS restrictions
Content:CSShelp wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelRepository active this monthContributing guide available

mdn / content · #35030 · Jul 24, 2024 · Markdown · 10,935 stars

0 comments1 reaction0 assignees
Open
Common container formats: Browser support missing
Content:Mediadocument not writtenhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

mdn / content · #33781 · May 27, 2024 · Markdown · 10,935 stars

2 comments0 reactions0 assignees
Open
ARIA document role: several incorrect information pieces
Content:Accessibilityhelp wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelRepository active this monthContributing guide available

mdn / content · #33746 · May 24, 2024 · Markdown · 10,935 stars

0 comments0 reactions0 assignees