LGTM to experiment M150-M155 On Tue, May 19, 2026 at 11:31 AM Yoav Weiss (@Shopify) < [email protected]> wrote:
> > > On Tuesday, May 19, 2026 at 5:26:35 PM UTC+2 Yoav Weiss wrote: > > *Contact emails* > [email protected], [email protected] > > *Explainer* > https://github.com/yoavweiss/speculative_load_measurement/ > blob/main/README.md > > *Specification* > *Not yet.* > > *Summary* > Expose measurement data regarding speculative loads (preloads, prefetch > and prerenders) as part of the "pagehide" event. That would enable > developers to measure the efficacy of various speculative loading > strategies and adapt them accordingly. > > > A more up-to-date summary would be: > Expose measurement data regarding speculative loads (preloads, prefetches > and prerenders) in a newly exposed `performance.getSpeculations()` method. > That would enable developers to measure the efficacy of various speculative > loading strategies and adapt them accordingly. > > > > *Blink component* > Blink>PerformanceAPIs > <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EPerformanceAPIs%22> > > *Web Feature ID* > Missing feature > > *TAG review* > *Not yet.* > > *TAG review status* > Not yet filed. > > *Goals for experimentation* > See that the API shape enables developers to solve real life measurement > issues related to speculative loads. > > *Risks* > > > *Interoperability and Compatibility* > *As a new API surface, there are no real compatibility issues.* > > *As far as interoperability goes, it's a bit early to tell. We haven't > asked for positions just yet.* > *Gecko*: No signal yet. > > *WebKit*: No signal yet. > > *Web developers*: Support from Wix > <https://github.com/WICG/proposals/issues/264#issuecomment-3904289446> and > general support at WebPerfWG discussions. > > *Other signals*: > > *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* > > > *Ongoing technical constraints* > *No* > > *Debuggability* > *Nothing in particular.* > > *Will this feature be supported on all six Blink platforms (Windows, Mac, > Linux, ChromeOS, Android, and Android WebView)?* > Yes > > *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* > *No information provided* > > *Finch feature name* > *SpeculationMeasurement* > > *Non-finch justification* > *None* > > *Requires code in //chrome?* > False > > *Tracking bug* > https://issues.chromium.org/issues/481590676 > > *Estimated milestones* > > M150-M155 inclusive > > > *Link to entry on the Chrome Platform Status* > https://chromestatus.com/feature/5118840377835520?gate=6004022601449472 > > *Links to previous Intent discussions* > Intent to Prototype: https://groups.google.com/a/chromium.org/d/ > msgid/blink-dev/CAOmohSJA9q57gnHFyJ1WqUUJi2AX5 > UCmtDM50URp9hjx3J4WJg%40mail.gmail.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/42659940-6638-469e-8a15-c754707f2413n%40chromium.org > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/42659940-6638-469e-8a15-c754707f2413n%40chromium.org?utm_medium=email&utm_source=footer> > . > -- 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/CAFUtAY9Xu1GG4wJWbiXPGrJVJG7C-aqAcPnUdAfiqtf9hqvtEw%40mail.gmail.com.
