resource-timing
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w3c
Resource Timing
## What happens There are cases when a resource fetched over the network has completed downloading, and is available to the browser, but the browser is too busy to read...
Data collected by Facebook here: https://groups.google.com/a/chromium.org/d/msg/loading-dev/QUaDWQKPvZ0/BwqkHfkxBQAJ Suggests that the performance of the local cache is a substantial contributor to overall page load time. resource timing should explicitly document cache performance...
While talking to people about visual metrics and the reasons it's currently hard to get them from RUM, a recurrent theme is that knowing the resources processing time would be...
I've been thinking about how we might improve our RUM monitoring and I got to thinking about critical path length. Resource Timing seems like it has almost all of the...
This is a follow-up from #174 . TAO is now registered as provisional: https://www.iana.org/assignments/message-headers/message-headers.xhtml#table-prov-headers Make it Permanent when moving to Proposed Recommendation and make sure IANA is using the proper...
There are a few concerns and questions with `initiatorType`. Some examples: * CSS files are included via `` tags so have a `initiatorType="link"`, which causes confusion since there is a...
Since we've added early hints, now TTFB in RUM, which maps to `responseStart` means something slightly different than it did before (though technically it represents the same thing). For services...
It seems like the initiatorType for module script preloads is currently [tested to be "other"](https://github.com/web-platform-tests/wpt/blob/master/resource-timing/initiator-type/link.html#L34) Would be good to define it to be either more meaningful ("script" or "module script")...