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304 returning in repeat view for every image
11-18-2010, 02:11 AM
Post: #4
RE: 304 returning in repeat view for every image
(11-17-2010 09:53 PM)neelamsharma Wrote:  Hi, my testing result - http://www.webpagetest.org/result/101111...ls/cached/
My query is that though all the images are downloaded once in first preview to browser using GET request, then why repeat view responding 304 error. i also have set "Expires" (31 Dec, 2049) headers on images. Why 304 there?

Thanks

Code:
Expires: Fri, Dec 31 2049 23:59:59 GMT

That maybe the problem?
Maybe IE is getting confused with so far future expires.. never seen a site using 40 years for it. try setting a date in 2011 or 2012.

The specs call for no more than 1 year.

Quote:To mark a response as "never expires," an origin server sends an Expires date approximately one year from the time the response is sent. HTTP/1.1 servers SHOULD NOT send Expires dates more than one year in the future.

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RE: 304 returning in repeat view for every image - sajal - 11-18-2010 02:11 AM

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