CodeClimber

Yesterday Steve Souders, Chief Performance Yahoo!, released a new version of YSlow, the tool to help you improve the performances of your website. Version 0.8 fixes a bug in the Firebug NET panel, where cached pages sometimes show up in the network monitor: here is a detailed explanation of problem and how to enable the fix. They also fixed a small problem that caused stylesheets with mixed case not to be recognized as being in the head of the document (rule 5). If you already installed YSlow, you already saw the update via the Firefox auto-update feature, otherwise you...

Following the release of YSlow, there has a lot buzz around the rules it evaluates. And even if not all the 13 rules are issues for normal websites, some of them, like gzipping all the static text files (CSS and JS) and minifying JavaScript are good advices also for websites with not so many users as Yahoo!. At Yahoo! they suggested to use JSMin, a tool developed by Douglas Crockford, a guy working for Yahoo!. JSMin is only a minifier: it removes comments, unnecessary whitespace and linefeeds but does not change the name of variables or functions to shorter identifiers...