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Anything that is close to fetchStart in resource timing API?
07-21-2014, 03:48 AM
Post: #2
RE: Anything that is close to fetchStart in resource timing API?
The resource timing definition is defining fetchStart as when the UA actually puts the request on the wire so my view it's the earliest of _dns_start, _connect_start, and _ttfb_start in WPT terms.

If you want to verify you can use a WPT custom metric to dump the resource timing entries into a JSON string:

Code:
[resource-timing]
return JSON.stringify(window.performance.getEntriesByType("resource"));

Andy

Using WebPageTest - http://usingwpt.com/
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RE: Anything that is close to fetchStart in resource timing API? - andydavies - 07-21-2014 03:48 AM

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