On Thu, Apr 14, 2022 at 12:36 AM Jeremy Roman <jbro...@chromium.org> wrote:
> Contact emails > > jbro...@chromium.org, kenjibah...@chromium.org > > Explainer > > https://github.com/WICG/nav-speculation/blob/main/triggers.md > > Specification > > https://wicg.github.io/nav-speculation/speculation-rules.html > > https://wicg.github.io/nav-speculation/prefetch.html > > Summary > > Flexible syntax for defining what outgoing links are eligible to be > prepared speculatively before navigation. Enables access to additional > enhancements, such as use of a private prefetch proxy, where applicable. > So IIUC, this intent is for shipping cross-origin prefetch? Where have y'all landed on the question of cache partitioning? Which partition is storing this prefetched resource? > > This is limited to the "prefetch" action, and does not include > "prerender". The Chrome setting (extended preloading) which allows any site > to request use of the private prefetch proxy and was previously mentioned > on intents for this feature, is currently disabled for policy reasons but > can be exposed via Finch as part of a launch, if approved. > > Blink component > > Internals>Preload > <https://bugs.chromium.org/p/chromium/issues/list?q=component:Internals%3EPreload> > > TAG review > > https://github.com/w3ctag/design-reviews/issues/611 > https://github.com/w3ctag/design-reviews/issues/721 > https://github.com/WICG/nav-speculation/issues/160 which seems like something we'd want to resolve before shipping. Are y'all considering this new syntax? Would it make sense to run this by your OT participants and/or partners? Web developers in general? > > TAG review status > > First is complete, second is pending. > > Risks > > Interoperability and Compatibility > Which of the 24 issues <https://github.com/WICG/nav-speculation/issues> open on the repo is relevant for this intent? Can you highlight those that may impact future compat and interop? > > > Gecko: No signal ( > https://github.com/mozilla/standards-positions/issues/620) > > WebKit: No signal ( > https://lists.webkit.org/pipermail/webkit-dev/2022-March/032158.html) > > Web developers: Some positive signal from a developer using the feature, > and from a developer operating a site that is prefetched using this feature. > It'd be good to externalize such feedback if at all possible. Any links? > > 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? > > > Debuggability > > Limited, though fixing crbug.com/1315706 should provide basic insight and > I'm not aware of anything that would preclude us from adding more > sophisticated developer tools integration in the future. > > Is this feature fully tested by web-platform-tests > <https://chromium.googlesource.com/chromium/src/+/master/docs/testing/web_platform_tests.md> > ? > > Tests are being landed at speculation-rules/prefetch/ in the WPT > directory. We are continuing to work on adding more, though coverage in > some areas will require the completion of some ongoing refactoring and > additional test integration. > > Flag name > > The origin trial name is SpeculationRulesPrefetch. Some code internally > calls this SpeculationRulesPrefetchProxy, but is not limited to proxied > prefetches exclusively. > > Requires code in //chrome? > > Some code exists in chrome/, but refactoring work is underway to migrate > as much of this as reasonable to content/. Some code specific to, e.g., the > specific Google proxy service, will remain in chrome/. > > Tracking bug > > https://bugs.chromium.org/p/chromium/issues/detail?id=1173646 > > Estimated milestones > > M103 (Android) > > Since the current origin trial ends after M101, we would like to extend > the experiment until shipping and request a gapless launch. > > I believe a gapless launch is justified here. The speculation rules API > has been used by developers as part of this launch and the prerendering > experiment > <https://groups.google.com/a/chromium.org/g/blink-dev/c/Kpp6uJJRrqI/m/GTo_aF0qEQAJ>. > There is an ongoing early access program > <https://github.com/buettner/private-prefetch-proxy/issues/15> for > publishers to opt in to receiving IP-obscured traffic enabled by this > feature, and have received positive feedback about this program – which is > planned to launch by default in coordination with this web platform side > launch. Enforcing a gap here would interrupt this and require the private > prefetch proxy team to notify affected partners (who are receiving prefetch > traffic, rather than being direct users of this API), for no known benefit > in this case. > > Shipping on desktop is not possible at this point due to extensions. We > expect to file a separate Intent to Ship in the future. > > Link to entry on the Chrome Platform Status > > https://chromestatus.com/feature/5740655424831488 > > Links to previous Intent discussions > > Intent to prototype: > https://groups.google.com/a/chromium.org/g/blink-dev/c/1q7Fp3zpjgQ > > Intent to Experiment: > https://groups.google.com/a/chromium.org/g/blink-dev/c/Cw-hOjT47qI/m/EObn9-4MAgAJ > > Intent to Extend Experiment: > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CACuR13cKaJB%3D2GQS4N3om1eSmuCVOY5zXchRCV8oCYkcq8kH0g%40mail.gmail.com > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CACuR13cKaJB=2gqs4n3om1esmucvoy5zxchrcv8ocykcq8k...@mail.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 blink-dev+unsubscr...@chromium.org. > To view this discussion on the web visit > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CACuR13cbVXw9nEo4zVwhGz_W65kfg0neYDqW3sMQC%2BYNzX6kfg%40mail.gmail.com > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CACuR13cbVXw9nEo4zVwhGz_W65kfg0neYDqW3sMQC%2BYNzX6kfg%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "blink-dev" group. 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