Web Application Performance

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Revision as of 15:52, 11 July 2023 by Paul (talk | contribs) (→‎HTTP headers)

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HTTP headers

Cache-Control: max-age
ETag: Hash of file, don't download if unchanged (but beware of how this is calculated, e.g. Apache may use inodes by default which differ on load-balanced servers)
Expires: Re-download after this
Last-Modified

Most headers won't help on first visit.

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