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yet another Microsoft blogger

# Sunday, August 05, 2007

Performance Tips from Yahoo

Yahoo has an excellent and short primer on 13 performance tips for web developers.

The only bug is that for Tip #13 they recommend disabling ETags because if you use more than one box to serve graphics requests, the ETags won't match from machine to machine.

Well we use ETags just fine with Hotmail because IIS allows you to synchronize ETags across boxes.

Either way, this is good stuff.

 

Monday, August 06, 2007 5:34:00 PM (Pacific Daylight Time, UTC-07:00)
but you missed the real scoop.

hotmail's set MD_ETAG_CHANGENUMBER to hex value that converts nicely into the decimal "31337".
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