Comments on: Redirect caching deep dive http://www.stevesouders.com/blog/2010/07/23/redirect-caching-deep-dive/ Essential knowledge for making your web pages faster. Sat, 04 Feb 2012 09:46:28 +0000 hourly 1 http://wordpress.org/?v=3.2.1 By: Chris Swafford http://www.stevesouders.com/blog/2010/07/23/redirect-caching-deep-dive/#comment-2850 Chris Swafford Fri, 17 Dec 2010 07:33:50 +0000 http://www.stevesouders.com/blog/?p=1439#comment-2850 Great post but I'm still confused about the redirects. Can I also use htaccess to run redirect commands? Thanks. <a href="http://www.webdesignspringfieldmo.net" rel="nofollow">Web Design Springfield MO</a> Great post but I’m still confused about the redirects. Can I also use htaccess to run redirect commands? Thanks.
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]]> By: Eric Lawrence http://www.stevesouders.com/blog/2010/07/23/redirect-caching-deep-dive/#comment-2231 Eric Lawrence Sun, 25 Jul 2010 20:46:16 +0000 http://www.stevesouders.com/blog/?p=1439#comment-2231 A key point in all of this is to ensure that your site works correctly when redirects are cached. For instance, if you set a Cookie on your redirect response, that cookie must either be optional, or you need to set a Vary: Cookie response header. If you fail to do that, visitors to your site may find themselves in a redirect loop. The reason that browser vendors are so reluctant to improve caching of redirects is the fear that incorrectly coded real-world sites will have such problems. (Also, it almost goes without saying, you should avoid redirects wherever possible. For instance, instead of using A HREF=http://example.com/test, use A HREF=http://example.com/test/ if that's the real URL!) A key point in all of this is to ensure that your site works correctly when redirects are cached. For instance, if you set a Cookie on your redirect response, that cookie must either be optional, or you need to set a Vary: Cookie response header. If you fail to do that, visitors to your site may find themselves in a redirect loop. The reason that browser vendors are so reluctant to improve caching of redirects is the fear that incorrectly coded real-world sites will have such problems.

(Also, it almost goes without saying, you should avoid redirects wherever possible. For instance, instead of using A HREF=http://example.com/test, use A HREF=http://example.com/test/ if that’s the real URL!)

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