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Explainer https://github.com/WICG/nav-speculation/blob/main/referrer_provided_prefetch_proxies_draft.md Specification No information provided Summary This feature extends speculation rules with a new requirement that allows sites to set a referrer-provided prefetch proxy for their documents' cross-origin prefetches. This allows sites to speed up cross-origin/site navigations using a proxy of their choice. Blink component Internals>Preload>PrefetchProxy Web Feature ID speculation-rules Motivation The Speculative Loading spec asks browsers to provide IP-anonymizing proxies to satisfy the "anonymous-client-ip-when-cross-origin" requirement for speculation rules. Privacy concerns limit the use of browser-provided prefetch proxies. Only sites that are 1P to the browser and prefetch proxy can straightforwardly use the requirement above. For 3P sites, the proxy is only usable when the user has opted-in to an additional privacy setting. In the referrer-provided prefetch proxy architecture, the website initiating the prefetch operates its own privacy-preserving proxy server and specifies it in the page's speculation rules script. This aligns the proxy trust model, avoids introducing a third-party service, and shifts the operational cost to the party that directly benefits from faster navigation. Initial public proposal https://github.com/WICG/nav-speculation/issues/368 Goals for experimentation None Requires code in //chrome? False Tracking bug https://g-issues.chromium.org/issues/510022186 Launch bug https://launch.corp.google.com/launch/4466508 Estimated milestones No milestones specified Link to entry on the Chrome Platform Status https://chromestatus.com/feature/5087319398940672?gate=5379797813428224 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/69fa6622.050a0220.e03d3.00e8.GAE%40google.com.
