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Questions on metrics returned
01-06-2016, 02:37 AM
Post: #2
RE: Questions on metrics returned
-1 generally means N/A (for caching that means the resource was probably marked as no-cache) while 0 means it should have been cacheable but failed.

As far as combine goes, I'm not sure that I'm calculating that anymore and it should be removed from the results (I'll look into it). There's a lot of subtlety about head resources vs late-body resources and HTTP/2 that make resource combining a more complicated topic.

- score_cookies is also somewhat deprecated but it checks to see if cookies were sent up for static resources. It's from the days where it was advisable to serve static resources from a separate cookie-less domain.

The image checks (total and savings) are only checking JPEG images for lossy compression right now so if you have PNG images that could be better smushed it isn't picking them up.
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RE: Questions on metrics returned - pmeenan - 01-06-2016 02:37 AM

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