Speed Tracer
Posted on December 22, 2009 and got 2 shouts so farSpeed Tracer is a Google Chrome extension that helps you identify and fix performance problems in your web applications. This tool can help you to be able to get a better picture of where time is being spent in your application including JavaScript parsing and execution, layout CSS style recalculation and selector matching, DOM event handling, XHR Request callbacks, etc.
You can get start to use Speed Tracer here and see some example here.

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this tool is what i’m looking for. it’s there any like this for firefox?
btw, thanks for the stuff, keep rocking…
Belum nemu untuk yang firefox mas
Tengkyu udah komen mas