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conformance · v150

v150 · css-url-request-modifiers — conformance probe

11 assertions drawn from the spec. Each is a single contract the spec text makes. Pass/fail reflects what this browser executed; blocked means the contract was not run because it needs user mediation, hardware, or another unavailable precondition. Open the page in Chrome stable / canary / Firefox / Safari to compare.

browser: spec: https://drafts.csswg.org/css-values-5/#request-url-modifiers chromestatus: #5111997147512832 generated 2026-06-06T05:12:38Z by codex-integrity-chain-fontface-repair
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pass
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fail
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11
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id contract kind verdict detail
url-baseline Baseline url() in background-image still parses (regression check). css-supports
url-with-cross-origin-modifier url() accepts the cross-origin() modifier per the spec. spec ↗ css-supports
url-with-integrity-modifier url() accepts the integrity() modifier carrying a Subresource-Integrity hash. css-supports
font-face-src-url-modifiers-parse @font-face src accepts cross-origin() and integrity() URL request modifiers for font resources. spec ↗ script
url-with-referrer-policy-modifier url() accepts the referrer-policy() modifier with a known referrer-policy token. css-supports
url-with-multiple-modifiers Multiple modifiers compose inside one url(). css-supports
url-bogus-modifier-rejected An unrecognised modifier name is rejected so the parser remains strict. script
server-meta-provides-sri-hashes The crossorigin and integrity demo exposes server-computed SHA-384 SRI hashes for clean and tampered resources. script
server-public-cors-header The demo resource can return a public CORS response for anonymous CSS resource requests. script
server-credentialed-cors-headers The demo resource can return credentialed CORS headers by echoing the request origin and sending Access-Control-Allow-Credentials. script
server-blocked-cors-omits-acao The demo resource can deliberately omit Access-Control-Allow-Origin for the CORS failure path. script