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conformance · v144
v144 · speculation-rules-prerender-until-script-action — conformance probe
4 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.
0
pass
0
fail
0
blocked
4
total
| id | contract | kind | verdict | detail |
|---|---|---|---|---|
speculationrules-script-type |
<script type="speculationrules"> is recognised; the type doesn't get coerced to text/javascript. spec ↗ | script | … | |
prerender_until_script-action-parses |
A speculation rule with action 'prerender_until_script' is JSON-valid; the consumer accepts it without erroring on the entire ruleset. spec ↗ | script | … | |
document-prerendering-flag |
document.prerendering exists so authors can detect prerendered documents (including prerender_until_script). spec ↗ | script | … | |
prerenderingchange-event-supported |
document fires a prerenderingchange event when the document activates. spec ↗ | script | … |