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Serving static content from a cookieless domain
01-24-2010, 03:24 AM
Post: #8
RE: Serving static content from a cookieless domain
Sort of. When images or style sheets are requested, the request includes any cookies for the domain. It doesn't usually make a HUGE difference but sending the cookies up to the server takes time (more so than downloading since the upload bandwidth is usually quite a bit less than the download bandwidth). Putting the static content on a different domain keeps the requests clear of cookies and makes them a bit faster.

The cookies (and ETags) are the least important of the optimizations though and at best will save a few milliseconds. Making the static assets cachable can have an ENORMOUS difference for a repeat visit (50-90% faster).
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RE: Serving static content from a cookieless domain - pmeenan - 01-24-2010 03:24 AM

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