Not quite sure about why the system is not including Goals for experimentation correctly. Allow me to include the part manually.
Goals for experimentation To evaluate how the prerendering form_submission support works on real sites before shipping it by default. We will be evaluating performance, stability, and correctness, and any other feedback the sites have when they use this feature. On Friday, March 6, 2026 at 10:35:07 AM UTC+9 Chromestatus wrote: > *Contact emails* > [email protected] > > *Explainer* > > https://github.com/WICG/nav-speculation/blob/main/prerendering-form-submission.md > > *Specification* > > https://storage.googleapis.com/spec-previews/WICG/nav-speculation/pull/426/diff/prerendering.html > > > *Design docs* > > > https://docs.google.com/document/d/13Xr_kSYZtvhRNaKpCiP7wLKYtDcpLdDWSH4y6gHq0kQ/edit?usp=sharing > > *Summary* > This extends speculation rules syntax to allow developers to specify the > form_submission field for prerender. This field directs the browser to > prepare the prerender as a form submission, so that it can be activated by > real form submission navigations. Examples include a simple search form > which results in a /search?q=XXX GET request navigation, support of which > has been requested by web developers. > > *Blink component* > Internals>Preload>Prerender > <https://issues.chromium.org/issues?q=customfield1222907:%22Internals%3EPreload%3EPrerender%22> > > *Web Feature ID* > speculation-rules <https://webstatus.dev/features/speculation-rules> > > *TAG review* > https://github.com/w3ctag/design-reviews/issues/1192 > > *TAG review status* > Issues open > > *Risks* > > > *Interoperability and Compatibility* > The entire speculative loading feature is a progressive enhancement, so in > general risks are low in this area. > > *Gecko*: No signal ( > https://github.com/mozilla/standards-positions/issues/1355) > > *WebKit*: No signal ( > https://github.com/WebKit/standards-positions/issues/614) > > *Web developers*: No signals > > *Other signals*: > > *Ergonomics* > No > > *WebView application risks* > > Does this intent deprecate or change behavior of existing APIs, such that > it has potentially high risk for Android WebView-based applications? > *No information provided* > > > *Goals for experimentation* > *No information provided* > > *Ongoing technical constraints* > *No information provided* > > *Debuggability* > As well as other speculationrule features, this feature can be viewed on > devtools as the source script. Another dedicated field will be added to the > panel for easier debugging. > > *Will this feature be supported on all six Blink platforms (Windows, Mac, > Linux, ChromeOS, Android, and Android WebView)?* > No > Windows, Mac, Linux, ChromeOS, Android. WebView doesn't support > speculation rules prerendering because prerendering navigation breaks the > lifecycle (e.g., callback sequence) of the WebView. > > *Is this feature fully tested by web-platform-tests > <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>?* > Yes > > > *Flag name on about://flags* > PrerenderActivationByFormSubmission > > *Finch feature name* > PrerenderActivationByFormSubmission > > *Requires code in //chrome?* > False > > *Tracking bug* > https://issues.chromium.org/issues/346555939 > > *Measurement* > Blink.UseCounter.Features https://crrev.com/c/7533307 > > *Estimated milestones* > Origin trial desktop first 146 > Origin trial desktop last 151 > DevTrial on desktop 146 > Origin trial Android first 146 > Origin trial Android last 151 > DevTrial on Android 146 > > *Link to entry on the Chrome Platform Status* > https://chromestatus.com/feature/5074313831120896?gate=5966135017209856 > > *Links to previous Intent discussions* > Intent to Prototype: > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/698f0243.2b0a0220.19817b.0194.GAE%40google.com > > > This intent message was generated by Chrome Platform Status > <https://chromestatus.com>. > -- You received this message because you are subscribed to the Google Groups "blink-dev" 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/chromium.org/d/msgid/blink-dev/c3d117c9-bb20-41a6-afd6-2c687b793b5en%40chromium.org.
