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jacquesm

If after timing your page you want to get some external confirmation I use this site frequently:

http://www.websiteoptimization.com/services/analyze/

It gives some pretty useful results when you're tuning your page because it breaks it down in to components.

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Also, a nice free service provided by AOL:

http://www.webpagetest.org/

Pretty good result charts, with complete component breakdown, timings and recommendations.

(Edit: missed that jrosoff had already mentioned it, but I'll leave my note anyway)

Cool! There are a bunch of external monitoring services that are worth checking out in addition to this..

- http://www.yottaa.com (shameless plug for my own company) - http://www.webpagetest.org - http://www.zoompf.com - http://www.showslow.com

Hello, just a questions about yottaa.com: on my firebug Yslow(V2) I get an Overall performance score 91 (and in Page Speed I get 95). How come on yottaa I get a YSlow score of 78?

What site are you measuring? I'll go check it out. Feel free to follow up via jrosoff AT yottaa DOT com

Be sure to post the findings/reason here.

Looks like this was a result of old data.. The score of 78 was measured on October 2nd. I hit the "Click here to re-check now" button and the score is now listed as 88. We're looking at the sub-scores now to see exactly what's different.

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