Runs: Chrome 158.0.8110.0 (wpt@850b36a56, 2026-10-18) | Firefox 160.0a1 (wpt@b58866519, 2026-10-18) | Safari 254 preview (wpt@850b36a56, 2026-10-18) | Ladybird 1.0-e7b21 (wpt@850b36a56, 2026-10-18) | Servo Servo 0.7 (wpt@df642c414, 2026-10-17) | Blitz fb8d6c15e (wpt@cd1d8aa5b, 2026-10-17)
| Chrome | Firefox | Safari | Ladybird | Servo | Blitz | |
|---|---|---|---|---|---|---|
| Total | 1/1 | 1/1 | 1/1 | 0/1 | 0/1 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| test single https url prefetch from a https url | PASS | PASS | PASS | — | — | — |
/speculation-rules/prefetch/prefetch-single.https.html
<!DOCTYPE html> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script src="/common/dispatcher/dispatcher.js"></script> <script src="/common/utils.js"></script> <script src="../resources/utils.js"></script> <script src="resources/utils.sub.js"></script> <meta name="variant" content="?from_protocol=http&to_protocol=http"> <meta name="variant" content="?from_protocol=http&to_protocol=https"> <meta name="variant" content="?from_protocol=https&to_protocol=http"> <meta name="variant" content="?from_protocol=https&to_protocol=https"> <script> setup(() => assertSpeculationRulesIsSupported()); // This is split across four test variants due to the test timeouts. let { from_protocol, to_protocol } = Object.fromEntries(new URLSearchParams(location.search)); promise_test(async t => { let agent = await spawnWindow(t, { protocol: from_protocol }); let nextUrl = agent.getExecutorURL({ protocol: to_protocol, page: 2 }); await agent.forceSinglePrefetch(nextUrl); await agent.navigate(nextUrl); if (to_protocol == "https") { assert_prefetched(await agent.getRequestHeaders(), "Prefetch should work for HTTPS urls."); } else { assert_not_prefetched(await agent.getRequestHeaders(), "Prefetch should not work for HTTP urls."); } }, `test single ${to_protocol} url prefetch from a ${from_protocol} url`); </script>