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conformance · v150

v150 · deprecate-and-remove-attribution-reporting-api — conformance probe

6 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://wicg.github.io/attribution-reporting-api chromestatus: #6320639375966208 generated 2026-06-01T08:14:34Z by conformance-author-v1-subagent
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id contract kind verdict detail
attribution-reporting-removed Document.featurePolicy or document.permissionsPolicy no longer lists 'attribution-reporting' as an allowed feature — the API is removed in Chrome 150. script
attributionreporting-attribute-removed The 'attributionsrc' content attribute is no longer reflected on <a> elements as an IDL property. script
registerattributionsource-removed navigator.registerAttributionSource is no longer present on Navigator (where it was historically considered). script
fetch-still-works fetch() still works — only the attributionreporting-specific surfaces are removed, not the underlying network APIs. typeof
iframe-attributionsrc-not-reflected HTMLIFrameElement no longer reflects an attributionSrc IDL attribute. script
attribution-reporting-eligible-not-special Setting an 'Attribution-Reporting-Eligible' header via Request is allowed (header is no longer special-cased) — fetch construction succeeds. script