LGTM1
/Daniel
On 2022-05-25 11:03, Yoav Weiss wrote:
Thanks for working on this!! :)
On Mon, May 23, 2022 at 9:21 PM Xiaocheng Hu <[email protected]>
wrote:
(Note: The feature no longer works on preloads, compared
to the original I2P. See explainer for details.)
Contact emails
[email protected]
Explainer
https://gist.github.com/xiaochengh/9404abbecdc3b45c0e9f3d5e99fbc65d#file-proposal-v3-md
Specification
https://github.com/whatwg/html/pull/7474
Summary
Allows putting 'blocking=render' as an attribute and value to a
<script>, <style> or stylesheet <link> to make it explicitly
render-blocking. The main usage is to avoid a flash of unstyled
content or user interactions with an immature page caused by,
e.g., script-inserted scripts/stylesheets, client-side A/B
testing, etc.
Blink component
Blink>HTML
<https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EHTML>
Search tags
render <https://chromestatus.com/features#tags:render>, blocking
<https://chromestatus.com/features#tags:blocking>
TAG review
https://github.com/w3ctag/design-reviews/issues/727
I pinged the TAG review. Seems like we can wait a few more days to
give them time to reach conclusions.
TAG review status
Pending
Risks
Interoperability and Compatibility
This is a new feature. There are interop/compat risks only if
other browsers do not implement it.
Gecko: No signal
(https://github.com/mozilla/standards-positions/issues/608)
I'd even say that they are cautiously slightly positive :)
WebKit: No signal
(https://lists.webkit.org/pipermail/webkit-dev/2022-January/032088.html)
Web developers: Positive
(https://bugs.chromium.org/p/chromium/issues/detail?id=1271296)
Generally positive / no major concerns when discussed at WHATWG
(https://github.com/whatwg/html/issues/7299#issuecomment-985907750)
and WebPerfWG
(https://docs.google.com/document/d/1GQpM8IvL4feXQ0oQdCQIPKhZZkMLNTYJQhBUntMxPkI/edit#heading=h.mldk2zafi9mw)
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.
Debuggability
Yes. Each network request emits a trace event, which has a
renderBlocking flag indicating whether the resource blocks
rendering. For more details, see
https://blog.webpagetest.org/posts/new-render-blocking-indicator-in-chrome-and-webpagetest/
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
chrome://flags/#enable-experimental-web-platform-features
Requires code in //chrome?
False
Tracking bug
https://bugs.chromium.org/p/chromium/issues/detail?id=1271296
Estimated milestones
DevTrial on desktop 102
DevTrial on Android 102
Anticipated spec changes
Open questions about a feature may be a source of future web
compat or interop issues. Please list open issues (e.g. links to
known github issues in the project for the feature specification)
whose resolution may introduce web compat/interop risk (e.g.,
changing to naming or structure of the API in a
non-backward-compatible way).
Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5452774595624960
Links to previous Intent discussions
Intent to prototype:
https://groups.google.com/a/chromium.org/g/blink-dev/c/ujX8Vbr_VFE/m/Z61eyTcoBAAJ
This intent message was generated by Chrome Platform Status
<https://chromestatus.com/>.
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