Unfortunately it doesn't. There is no mechanism right now for the browser to can... | Hacker News

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paulirish on Oct 21, 2017 | parent | context | favorite | on: How to Get 100/100 Google Page Speed Score with Mi...

Unfortunately it doesn't. There is no mechanism right now for the browser to cancel the pushed resources. H2 Push's Cache Digest will introduce this ability, but it's still being designed.

stavros on Oct 21, 2017 [–]

Are you sure? SO seems to disagree:

https://stackoverflow.com/questions/29352282/does-the-browse...

And this feature shows as merged into ff56:

https://bugzilla.mozilla.org/show_bug.cgi?id=1367551

Cache digests are about the client telling the server what items it has cached so push doesn't even start, not about canceling pushes.

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