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KnightAR
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San Marcos, CA US
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Joined: 09/16/06
Visits: 14990
Total Discussion Posts: 299
Portfolio Count: 5 | View
Blog Entries Count: 10 | View
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Category: Computers & Internet - Programming & Web Development

Saturday December 22nd, 2007

I've went though and did some reading up on Cache, and noticed that PHP required you to output the "304 Not Modified" header when the content was not changed. Upon further reading and research I've noticed that Apache outputs a "ETag" which is basically a "Info" code saying "This is what content I have". I've did some testing and have implemented ETags for the entire media section of the site. You'll notice faster load speeds when it comes to refreshing pages with media on them. If you also have firebug, if you enable it on a image, you'll notice a header "Artician: Image Not Modified" when it sends the "304 Not Modified". Emotion: biggrin.gif

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