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|Google not using HTTP IF MODIFIED SINCE?|
I read somewhere that Google sends HTTP_IF_MODIFIED_SINCE if they already know about a page.
My pages are already known by Google and sometimes they send the header. But in 90% of the cases they dont.
Why could that be? I haven't added a single page in one year...
JAWAG, because the content changes due to dynamic elements that are invoked to create the page.
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