{"adoption": {"forks": 3915, "observed_at": "2026-08-28T04:09:36.220697+00:00", "stars": 6123}, "canonical_url": "https://ross.abutalabs.com/products/wpt", "card": {"archived": false, "artifact_type": "dataset", "description": "Test suites for Web platform specs — including WHATWG, W3C, and others", "domain": ["web-development", "testing", "browser-extensions", "web-design"], "enriched": true, "function": ["testing", "e2e-testing", "http-server", "cli"], "health_score": 100, "homepage": "https://web-platform-tests.org/", "language": "HTML", "license": "NOASSERTION", "license_family": "other", "maturity": "active", "member_repos": ["web-platform-tests/wpt"], "name": "web-platform-tests/wpt", "platform": ["windows", "browser", "python", "cross-platform"], "pushed_at": "2026-08-26T22:48:05+00:00", "repo": "web-platform-tests/wpt", "stars": 6123, "tags": ["web-platform", "browser-compatibility", "test-suite", "w3c", "whatwg", "test-runner", "conformance-testing", "cross-browser", "linux", "macos"], "topics": ["testing", "html", "test-automation", "browser", "w3c", "whatwg", "test-runner", "web-standards", "javascript", "dom", "web-development", "google-chrome", "blink", "gecko", "firefox", "microsoft-edge", "safari", "webkit", "opera"], "urls": [], "use_cases": ["verify my browser implementation matches web standards", "run conformance tests for html and dom apis across browsers", "check cross-browser compatibility of web platform features", "write tests for a new web api specification", "compare browser test results on wpt.fyi", "test how firefox chrome and safari handle a css feature"], "what_it_is": "A large cross-browser test suite for the Web platform stack, covering specifications from WHATWG, W3C, and other standards bodies. It includes a Python-based test runner and infrastructure so tests can be run locally or in CI against all major browser engines.", "when_to_avoid": ["you need unit or end-to-end tests for your own web application", "you want a lightweight testing framework like Jest or Playwright for app code"], "when_to_choose": ["you are a browser vendor or engine developer validating spec compliance", "you need canonical cross-browser tests for a web platform feature", "you contribute to or implement WHATWG/W3C specifications"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/wpt", "repo": "web-platform-tests/wpt", "role": "main", "score": 95}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:09:36.220697+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T17:48:00.063158+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "938fc03fa2cf6f3a70c18d15e9cce32cf0c766d31bf7049fbae0739671202b7e", "fetched_at": "2026-08-28T04:09:36.220697+00:00", "kind": "readme", "missing": false, "url": "https://github.com/web-platform-tests/wpt"}, {"content_hash": "88cfc5b72d464971b7b6e267857129ccf97275403afbdfd4ec305509f2f96a11", "fetched_at": "2026-08-29T08:44:32.575398+00:00", "kind": "homepage", "missing": false, "url": "https://web-platform-tests.org/"}, {"content_hash": "ba4158e85b6207c900eb25c9e7986e3d673d08c6a9cb05ccb61bce4684b879d2", "fetched_at": "2026-08-29T08:44:32.585592+00:00", "kind": "site_page", "missing": false, "url": "https://web-platform-tests.org/running-tests/from-local-system.html"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:09:36.220697+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T17:48:00.063158+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "938fc03fa2cf6f3a70c18d15e9cce32cf0c766d31bf7049fbae0739671202b7e", "fetched_at": "2026-08-28T04:09:36.220697+00:00", "kind": "readme", "missing": false, "url": "https://github.com/web-platform-tests/wpt"}, {"content_hash": "88cfc5b72d464971b7b6e267857129ccf97275403afbdfd4ec305509f2f96a11", "fetched_at": "2026-08-29T08:44:32.575398+00:00", "kind": "homepage", "missing": false, "url": "https://web-platform-tests.org/"}, {"content_hash": "ba4158e85b6207c900eb25c9e7986e3d673d08c6a9cb05ccb61bce4684b879d2", "fetched_at": "2026-08-29T08:44:32.585592+00:00", "kind": "site_page", "missing": false, "url": "https://web-platform-tests.org/running-tests/from-local-system.html"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T17:48:00.063158+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "938fc03fa2cf6f3a70c18d15e9cce32cf0c766d31bf7049fbae0739671202b7e", "fetched_at": "2026-08-28T04:09:36.220697+00:00", "kind": "readme", "missing": false, "url": "https://github.com/web-platform-tests/wpt"}, {"content_hash": "88cfc5b72d464971b7b6e267857129ccf97275403afbdfd4ec305509f2f96a11", "fetched_at": "2026-08-29T08:44:32.575398+00:00", "kind": "homepage", "missing": false, "url": "https://web-platform-tests.org/"}, {"content_hash": "ba4158e85b6207c900eb25c9e7986e3d673d08c6a9cb05ccb61bce4684b879d2", "fetched_at": "2026-08-29T08:44:32.585592+00:00", "kind": "site_page", "missing": false, "url": "https://web-platform-tests.org/running-tests/from-local-system.html"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:09:36.220697+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:09:36.220697+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:09:36.220697+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T17:48:00.063158+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "938fc03fa2cf6f3a70c18d15e9cce32cf0c766d31bf7049fbae0739671202b7e", "fetched_at": "2026-08-28T04:09:36.220697+00:00", "kind": "readme", "missing": false, "url": "https://github.com/web-platform-tests/wpt"}, {"content_hash": "88cfc5b72d464971b7b6e267857129ccf97275403afbdfd4ec305509f2f96a11", "fetched_at": "2026-08-29T08:44:32.575398+00:00", "kind": "homepage", "missing": false, "url": "https://web-platform-tests.org/"}, {"content_hash": "ba4158e85b6207c900eb25c9e7986e3d673d08c6a9cb05ccb61bce4684b879d2", "fetched_at": "2026-08-29T08:44:32.585592+00:00", "kind": "site_page", "missing": false, "url": "https://web-platform-tests.org/running-tests/from-local-system.html"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:09:36.220697+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:09:36.220697+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T17:48:00.063158+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "938fc03fa2cf6f3a70c18d15e9cce32cf0c766d31bf7049fbae0739671202b7e", "fetched_at": "2026-08-28T04:09:36.220697+00:00", "kind": "readme", "missing": false, "url": "https://github.com/web-platform-tests/wpt"}, {"content_hash": "88cfc5b72d464971b7b6e267857129ccf97275403afbdfd4ec305509f2f96a11", "fetched_at": "2026-08-29T08:44:32.575398+00:00", "kind": "homepage", "missing": false, "url": "https://web-platform-tests.org/"}, {"content_hash": "ba4158e85b6207c900eb25c9e7986e3d673d08c6a9cb05ccb61bce4684b879d2", "fetched_at": "2026-08-29T08:44:32.585592+00:00", "kind": "site_page", "missing": false, "url": "https://web-platform-tests.org/running-tests/from-local-system.html"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:09:36.220697+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:09:36.220697+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:09:36.220697+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T17:48:00.063158+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "938fc03fa2cf6f3a70c18d15e9cce32cf0c766d31bf7049fbae0739671202b7e", "fetched_at": "2026-08-28T04:09:36.220697+00:00", "kind": "readme", "missing": false, "url": "https://github.com/web-platform-tests/wpt"}, {"content_hash": "88cfc5b72d464971b7b6e267857129ccf97275403afbdfd4ec305509f2f96a11", "fetched_at": "2026-08-29T08:44:32.575398+00:00", "kind": "homepage", "missing": false, "url": "https://web-platform-tests.org/"}, {"content_hash": "ba4158e85b6207c900eb25c9e7986e3d673d08c6a9cb05ccb61bce4684b879d2", "fetched_at": "2026-08-29T08:44:32.585592+00:00", "kind": "site_page", "missing": false, "url": "https://web-platform-tests.org/running-tests/from-local-system.html"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:09:36.220697+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:09:36.220697+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T17:48:00.063158+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "938fc03fa2cf6f3a70c18d15e9cce32cf0c766d31bf7049fbae0739671202b7e", "fetched_at": "2026-08-28T04:09:36.220697+00:00", "kind": "readme", "missing": false, "url": "https://github.com/web-platform-tests/wpt"}, {"content_hash": "88cfc5b72d464971b7b6e267857129ccf97275403afbdfd4ec305509f2f96a11", "fetched_at": "2026-08-29T08:44:32.575398+00:00", "kind": "homepage", "missing": false, "url": "https://web-platform-tests.org/"}, {"content_hash": "ba4158e85b6207c900eb25c9e7986e3d673d08c6a9cb05ccb61bce4684b879d2", "fetched_at": "2026-08-29T08:44:32.585592+00:00", "kind": "site_page", "missing": false, "url": "https://web-platform-tests.org/running-tests/from-local-system.html"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T17:48:00.063158+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "938fc03fa2cf6f3a70c18d15e9cce32cf0c766d31bf7049fbae0739671202b7e", "fetched_at": "2026-08-28T04:09:36.220697+00:00", "kind": "readme", "missing": false, "url": "https://github.com/web-platform-tests/wpt"}, {"content_hash": "88cfc5b72d464971b7b6e267857129ccf97275403afbdfd4ec305509f2f96a11", "fetched_at": "2026-08-29T08:44:32.575398+00:00", "kind": "homepage", "missing": false, "url": "https://web-platform-tests.org/"}, {"content_hash": "ba4158e85b6207c900eb25c9e7986e3d673d08c6a9cb05ccb61bce4684b879d2", "fetched_at": "2026-08-29T08:44:32.585592+00:00", "kind": "site_page", "missing": false, "url": "https://web-platform-tests.org/running-tests/from-local-system.html"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T17:48:00.063158+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "938fc03fa2cf6f3a70c18d15e9cce32cf0c766d31bf7049fbae0739671202b7e", "fetched_at": "2026-08-28T04:09:36.220697+00:00", "kind": "readme", "missing": false, "url": "https://github.com/web-platform-tests/wpt"}, {"content_hash": "88cfc5b72d464971b7b6e267857129ccf97275403afbdfd4ec305509f2f96a11", "fetched_at": "2026-08-29T08:44:32.575398+00:00", "kind": "homepage", "missing": false, "url": "https://web-platform-tests.org/"}, {"content_hash": "ba4158e85b6207c900eb25c9e7986e3d673d08c6a9cb05ccb61bce4684b879d2", "fetched_at": "2026-08-29T08:44:32.585592+00:00", "kind": "site_page", "missing": false, "url": "https://web-platform-tests.org/running-tests/from-local-system.html"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T17:48:00.063158+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "938fc03fa2cf6f3a70c18d15e9cce32cf0c766d31bf7049fbae0739671202b7e", "fetched_at": "2026-08-28T04:09:36.220697+00:00", "kind": "readme", "missing": false, "url": "https://github.com/web-platform-tests/wpt"}, {"content_hash": "88cfc5b72d464971b7b6e267857129ccf97275403afbdfd4ec305509f2f96a11", "fetched_at": "2026-08-29T08:44:32.575398+00:00", "kind": "homepage", "missing": false, "url": "https://web-platform-tests.org/"}, {"content_hash": "ba4158e85b6207c900eb25c9e7986e3d673d08c6a9cb05ccb61bce4684b879d2", "fetched_at": "2026-08-29T08:44:32.585592+00:00", "kind": "site_page", "missing": false, "url": "https://web-platform-tests.org/running-tests/from-local-system.html"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 99, "longevity": 100, "rhythm": 87}, "computed_at": "2026-09-03T02:39:23.370411+00:00", "flags": ["no_license"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 5295, "days_push": 7, "days_rel": 6, "gap_med": 0, "n_releases_24m": 11978}, "score": 95, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}