We should add a link to the MDN page for the header <https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/No-Vary-Search> in DevTools Netmonitor. Filed https://bugzilla.mozilla.org/show_bug.cgi?id=2059679 for this
On Wednesday, July 29, 2026 at 2:42:31 PM UTC+2 Sunil Mayya wrote: > Starting in Firefox 154, I intend to enable the No-Vary-Search HTTP > Caching Extension by default on all platforms. It has been enabled in > nightly since https://bugzilla.mozilla.org/show_bug.cgi?id=2038012. > > This feature was previously discussed in this Intent to prototype thread: > https://groups.google.com/a/mozilla.org/g/dev-platform/c/9FyV3uZk184 > > Bug to turn on by default: > > https://bugzilla.mozilla.org/show_bug.cgi?id=2038013 > > Standard: > https://httpwg.org/http-extensions/draft-ietf-httpbis-no-vary-search.html > > Standards Body: > IETF (httpbis) > > Platform Coverage: > All > > Preference: > network.cache.no_vary_search > > DevTools Bug: > N/A > > Extensions Bug: > N/A > > Use Counter: > network.no_vary_search_header_received > > Standards-Positions Discussion: > https://github.com/mozilla/standards-positions/issues/717 (Positive) > > Other Browsers: > Blink: Shipped (Chrome 121 for speculation rules prefetch cache; Chrome > 141 for general HTTP disk cache) > WebKit: No position ( > https://github.com/WebKit/standards-positions/issues/106) > > web-platform-tests: > > https://wpt.fyi/results/?label=master&label=experimental&aligned&q=no-vary-search > Regards > Sunil > > -- You received this message because you are subscribed to the Google Groups "[email protected]" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/a/mozilla.org/d/msgid/dev-platform/8560c44b-90a1-4454-abdb-d276e6e18a14n%40mozilla.org.
