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web-platform-tests

8 indexed repositories · View on GitHub

wpt
Test suites for Web platform specs — including WHATWG, W3C, and others

HTML · 6163 stars
interop
web-platform-tests Interop project

JavaScript · 524 stars
wpt.fyi
web-platform-tests dashboard

Go · 240 stars
rfcs
web-platform-tests RFCs

110 stars
wpt-metadata
Out-of-tree metadata for wpt

Go · 46 stars
wpt-pr-bot
Home of the wpt-pr-bot

JavaScript · 38 stars
results-analysis
Metrics generation for wpt.fyi

JavaScript · 32 stars
interop-webvtt
Interop 2025 WebVTT

4 stars

Beginner friendly Everything

Open All

Incorrect references for CSS2 table-overflow reftests s-11-1-1b-002 through 004 Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

web-platform-tests/wpt#62635 · Opened Sep 11, 2026
css/css-fonts/standard-font-family-20.html is invalid Open

type:bug

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

web-platform-tests/wpt#62623 · Opened Sep 11, 2026
Color type quantization inaccuracy in WPT Open

Difficulty 1/5 Under an hour Newbie friendliness 84/100

web-platform-tests/wpt#62525 · Opened Sep 8, 2026
wdspec: bidi_session fixture swallows setup failures, reporting them as bare StopAsyncIteration Open

Difficulty 1/5 Under an hour Newbie friendliness 88/100

web-platform-tests/wpt#62500 · Opened Sep 7, 2026
CSS `Anchor position` Container queries Open

focus-area-proposal

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

web-platform-tests/interop#1363 · 2 comments · 32 reactions · Opened Sep 4, 2026
Add more content from the Interop Proposers Guide to the focus area proposal template Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

web-platform-tests/interop#1362 · 1 comment · 5 reactions · Opened Sep 4, 2026
credential-management: "rejects when aborted after the promise creation" contradicts sibling subtests in the same files Open

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

web-platform-tests/wpt#62415 · 2 comments · Opened Sep 3, 2026
window-open-204-pushState-replaceState.html uses the wrong history object Open

Difficulty 1/5 Under an hour Newbie friendliness 92/100

web-platform-tests/wpt#62386 · Opened Sep 2, 2026
npm ci fails in webapp/: package-lock.json is out of sync with package.json Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

web-platform-tests/wpt.fyi#5057 · Opened Aug 25, 2026
testharness.js: assert_throws_dom's QuotaExceededError-by-name guard reads name before it is assigned Open

Difficulty 1/5 Under an hour Newbie friendliness 88/100

web-platform-tests/wpt#62114 · 2 comments · Opened Aug 21, 2026
Upstream fuzzy annotations from WebKit changes in `css/css-backgrounds` Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

web-platform-tests/wpt#60511 · Opened Jun 9, 2026
`position-anchor` should have an initial value of `normal` Open

Difficulty 1/5 Under an hour Newbie friendliness 84/100

web-platform-tests/wpt#58989 · Opened Apr 4, 2026
Retitle some Focus Areas to stop confusion Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

web-platform-tests/interop#1267 · 5 comments · 2 reactions · Opened Mar 5, 2026
Test for `gap-rule-overlap` property should be testing `rule-overlap` Open

css-gaps

Difficulty 2/5 1-3 hours Newbie friendliness 62/100

web-platform-tests/wpt#56853 · Opened Dec 18, 2025
Invalid expectations in navigation-api/navigate-event/navigate-history-back-noop.html Open

html navigation-api

Difficulty 1/5 Under an hour Newbie friendliness 68/100

web-platform-tests/wpt#55980 · 1 comment · Opened Nov 11, 2025
Link Recommendation Track etc. in Interop 2026 proposal templates Open

meta

Difficulty 1/5 Under an hour Newbie friendliness 62/100

web-platform-tests/interop#931 · Opened Feb 21, 2025
Tests referencing non-existent `resources/flexbox.css` file Open

css-flexbox

Difficulty 1/5 Under an hour Newbie friendliness 68/100

web-platform-tests/wpt#49084 · Opened Nov 9, 2024
ModuleWorkerHandler is broken Open

infra priority:backlog serve

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

web-platform-tests/wpt#48832 · Opened Oct 27, 2024
Give a clearer error when Safari Technology Preview isn't installed Open

infra priority:backlog wpt wptrunner

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

web-platform-tests/wpt#48764 · Opened Oct 23, 2024
svg-aam: test for implicit graphics-document role for svg elements Open

svg-aam

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

web-platform-tests/wpt#45440 · Opened Mar 31, 2024
html/canvas/element/manual/wide-gamut-canvas/canvas-colorManaged-toBlob-toDataURL.html is not actually testing different formats Open

html

Difficulty 1/5 Under an hour Newbie friendliness 68/100

web-platform-tests/wpt#30483 · Opened Sep 9, 2021
Test target override better Open

dom good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

web-platform-tests/wpt#2321 · 1 comment · Opened Nov 12, 2015

web-platform-tests

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