Google’s Website Performance tool – Page-Speed

Google has introduced website optimization tool, which is like
yahoo's yslow. Like Yslow, page-speed also use Firebug as a
platform. So, before installing page-speed, install Mozilla Firebug Add-on on
your system.

It is simple to use and understand. It comes with ready and easy to use help guide.

Page-speed can help making your page load faster and
reduce the bandwidth usage.

Just click on Firebug Icon on bottom-right corner of your Firefox
status bar and Click on "Page Speed" on menu panel.
Click on Analyze Performance and you will get lots of useful
performance about your website/blog.