High Performance Web Siteshttp://weblogs.asp.net/sbehera/archive/2009/06/24/high-performance-web-sites.aspx  only 10-20% of the end user response time is spent downloading the HTML document. The other 80-90% is spent downloading all the components in the page. The Google Code Blog: How we improved performance on Google Code Nice article…read it..  enCommunityServer 2007 SP1 (Build: 20510.895)