Intent to Prototype: Document Policy: network-efficiency-guardrails reporting

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Luis Flores

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Jul 10, 2025, 1:44:46 PMJul 10
to blink-dev
Contact emails
luf...@microsoft.com

Explainer
None

Summary

Enables web documents to detect and report resources with unoptimized network usage, to minimize their performance impact. By identifying and flagging resource usage behaviors that can degrade performance, developers gain greater control over the user experience, enabling them to address issues for smoother interactions and improved responsiveness across web documents and applications.



Blink component
Blink

Motivation

The user experience of a web document can be impacted by the performance of its embedded resources and iframes. There is currently no mechanism to prevent these resources (and frames in particular) from engaging in behavior that degrades performance, or to flag this behavior, leaving embedding documents with little control over the experience of their users.



Initial public proposal
None

TAG review status
Pending

Risks


Interoperability and Compatibility

None



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?

None



Debuggability

None



Is this feature fully tested by web-platform-tests?
No

Flag name on about://flags
None

Finch feature name
None

Non-finch justification
None

Requires code in //chrome?
False

Estimated milestones

No milestones specified



Link to entry on the Chrome Platform Status
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