Web Application Performance: Difference between revisions
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Created page with "== 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" |
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* Expires: Re-download after this | * Expires: Re-download after this | ||
* Last-Modified | * Last-Modified | ||
Most headers won't help on first visit. | |||
Revision as of 14:52, 11 July 2023
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.