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Explainer https://github.com/explainers-by-googlers/prefetch-activation-beacon Specification https://github.com/explainers-by-googlers/prefetch-activation-beacon Summary The on-prefetch-activation HTTP response header enables servers to specify a telemetry endpoint that the browser notifies when a prefetched resource is used for navigation. Developers gain a reliable signal to measure the precision and performance impact of their prefetch strategies. Blink component Blink>Loader>Preload Web Feature ID Missing feature TAG review No information provided TAG review status Pending Origin Trial Name PrefetchAndPrerenderActivationBeacon Goals for experimentation We are going to start origin trial for the prefetch activation beacon to evaluate whether it can reliably report all the user navigation when the page is prefetched. We will compare the DAU and the query count with a group not using the API and reports activation via javascript. Chromium Trial Name PrefetchAndPrerenderActivationBeacon Origin Trial documentation link https://github.com/explainers-by-googlers/prefetch-activation-beacon WebFeature UseCounter name kPrefetchAndPrerenderActivationBeacon Risks Interoperability and Compatibility No information provided Gecko: No signal WebKit: No signal Web developers: No signals 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 information provided Reason this experiment is being extended Because of the shift to 2-week release schedule, the origin trial will end earlier than our orignial expectation. Ongoing technical constraints None Debuggability No information provided Will this feature be supported on all six Blink platforms (Windows, Mac, Linux, ChromeOS, Android, and Android WebView)? No Is this feature fully tested by web-platform-tests? No Flag name on about://flags No information provided Finch feature name No information provided Non-finch justification No information provided Requires code in //chrome? False Tracking bug https://b.corp.google.com/issues/499814382 Launch bug https://launch.corp.google.com/launch/4468679 Estimated milestones Origin trial desktop first 151 Origin trial desktop last 155 Origin trial extension 1 end milestone 158 Origin trial Android first 151 Origin trial Android last 155 Origin trial WebView first 151 Origin trial WebView last 156 Link to entry on the Chrome Platform Status https://chromestatus.com/feature/5118934710878208?gate=5076236907970560 Links to previous Intent discussions Intent to Prototype: https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAJQw1NzrnJBU7pmpz7bfxK2G7cWUcJsaU9ekFHh3XKFUyzzrwg%40mail.gmail.com Intent to Experiment: https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAJQw1NycAvKKpE0s61otPPrkzJ2yTr372RtTOVod26sTh%2B%3DVxg%40mail.gmail.com This intent message was generated by Chrome Platform Status. -- 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/6ac575b4.b816ca50.23c50f.008d.GAE%40google.com.
