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IMS doesn't affect Google ranking


Author Message
GoogleGuy Says

PostPosted: September 28, 2003 11:54 PM 

Importance: Medium

GG says that using the "If Modified Since" header does not have an impact on ranking.

GoogleGuy Says: [Link to quote]

It wouldn't make any scoring difference, so if it would ease the load on your server, I would deinitely use if-modified-since. You might have to be a little more careful/aware with dynamically generated pages (e.g. keep a cache or something). But if your pages are dynamically generated but only change once a week or something, then IMS can be a big help. Now if your pages truly do change every single time that they're created (e.g. a forum where people post a lot, so that the page typically changes every few minutes--something like slashdot), then IMS isn't going to be as much of a win. My advice is to enable IMS when you can though--it's usually pretty easy, and for the spiders that support it, it can save you some bandwidth.

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