The state of the W3C Web Performance Working Group
summary
W3C Web Performance WG is defining concrete APIs and trade-offs: work targets memory measurement API that can report page, iframe or system memory while avoiding fingerprinting risk, and clarifies lifecycle events such as visibilitychange vs unload so timers and analytics behave predictably. Adoption depends on browser engine implementations and early experiments; specs iterate as bugs and corner cases appear. The group asks for exact measurement needs, reproducible gaps, and numbers (how often, how large) so implementations can prioritize and standardize.
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