• PageSpeed Insights icon

    PageSpeed Insights

    PageSpeed is addon for Firebug (debugger addon for Mozilla Firefox ) for analyzing of page loading process and suggesting to webmaster how speed up page loading. Javascript obfuscating, image resizing, CSS merging and vise versa.

    Open Source Mac Windows Linux Firebug ... Chrome Firefox

  • Yahoo! YSlow icon

    Yahoo! YSlow

    YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages. YSlow is a Firefox add-on integrated with the Firebug web development tool. YSlow grades web page based on one...

    Open Source Mac Windows Linux Firebug ... Chrome Safari Opera Firefox