Posts from: March 2009

3 Mar 2009

You Probably Don’t Need ETag

(updated 3/4 to include the “Serving from clusters” case) As I see more server scripts implementing conditional GET (a good thing), I also see the tendency to use a hash of the content for the ETag header value. While this doesn’t break anything, this often needlessly reduces performance of the system. ETag is often misunderstood

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