Simon Willison’s Weblog

Using the New MySQL Query Profiler. Extremely powerful new feature in MySQL 5.0.37. Definitely something for the Django debug toolbar. 1st October 2008, 1:20 am

Deep Profiling jQuery Apps. Neat plugin from John Resig that monkey-patches most (all?) of the jQuery methods to build up a detailed profile of which methods are being used by a given page. 16th June 2008, 10:20 am

YSlow: Bug (fix) in Firebug’s Net Panel. The latest release of the YSlow page analysis plugin (announced at FOWA) also fixes a misleading bug in Firebug’s Net panel. 5th October 2007, 10:26 pm