PageSpeed Specify a cache validator
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Hello,
Just curious about this, using GTmetrix I consistently get “Specify a cache validator” F grade in the PageSpeed tab (it seems to all be png, jpg, and gif files), is this something that you’re aware of? W3TotalCache doesn’t fare any better though, so maybe it’s a problem with the PageSpeed assessment? If so I’d love to be able to let my clients know why it isn’t something to worry about.
Scanning through the .htaccess file I did see this section in the Fastest Cache code:
<ifModule mod_headers.c>
Header unset ETag
Header set Cache-Control “max-age=0, no-cache, no-store, must-revalidate”
Header set Pragma “no-cache”
Header set Expires “Mon, 29 Oct 1923 20:30:00 GMT”
</ifModule>Is the “1923” part right? Should this be showing a future expiration instead?
This isn’t high priority but I just want to understand, and let you know if it is a bug or something that can be improved.
Thanks!
David
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