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conformance · v131

v131 · serviceworkerautopreload-browser-mode — 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://github.com/w3c/ServiceWorker/pull/1756 chromestatus: #5194817700364288 generated 2026-06-02T09:02:11Z by codex-auto-research-v131
0
pass
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fail
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blocked
6
total
id contract kind verdict detail
serviceworker-container-exposed navigator.serviceWorker is exposed as the Service Worker registration entry point. spec ↗ exists
serviceworker-register-function ServiceWorkerContainer.register is callable. spec ↗ typeof
registration-navigationpreload ServiceWorkerRegistration exposes navigationPreload, the related preload manager surface. spec ↗ script
navigationpreload-manager-methods NavigationPreloadManager exposes enable, disable, getState, and setHeaderValue. spec ↗ script
fetch-response-surfaces fetch, Request, and Response are exposed for the network request that auto-preload races with the worker. spec ↗ script
autopreload-browser-mode-option-shape A registration options dictionary can represent autoPreload: 'browser'. spec ↗ script