Ever wonder why a page is taking so long to load? YSlow will tell you why and give you a solution that positively impacts performanc
Categories
YSlow analyzes web pages and tells you why they're slow based on Yahoo's rules for high performance web sites.
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Long Description
YSlow gives you:
* Performance report card
* HTTP/HTML summary
* List of components in the page
* Tools including JSLint
Advanced Details
* Firefox 3 and Firebug 1.2 beta support
* improved and simplified check for javascript minification
* different coloring for inline vs external CSS and JS ("All CSS" and "All JS" features)
* clickable list of resources as a Table of Contents ("All CSS" and "All JS" features)
* improved colors and presentation in the "legend" of component pies under Stats
* fixed a bug where the same hostname with different port number was counted as a separate DNS lookup.
* misc bugfixes and style tweaks
You must install Firebug: https://addons.mozilla.org/en-US/firefox/addon/1843
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