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It looks like they determine whether or not the content is static by the extension: https://support.cloudflare.com/hc/en-us/articles/200172516-What-file-extensi
by trashcan 11y ago
It looks like they determine whether or not the content is static by the extension:
https://support.cloudflare.com/hc/en-us/articles/200172516-What-file-extensions-does-CloudFlare-cache-for-static-content- https://support.cloudflare.com/hc/en-us/articles/200172516-W...
"CloudFlare does not cache by MIME type at this time."
And most likely default to not caching if they are unable to determine.
For dynamic pages you can tell them which ones can be safely cached with PageRules (on paid plans):
https://support.cloudflare.com/hc/en-us/articles/200172826-Can-dynamic-sites-work-with-CloudFlare- https://support.cloudflare.com/hc/en-us/articles/200172826-C...