Mr Matt Cutts says The Page Speed is most vital to put high in rank with Google.

What is Page Speed?

Page Speed is a tool / open-source Firefox/Firebug Add-on. Webmasters and web developers use Page Speed to find out the performance of their web pages and to get recommendations on how to enhance them.

How a Page Speed works?

Page Speed performs many tests on a site’s web server configuration and front-end code. These tests are based on a set of best practices known to improve web page performance. Webmasters who execute Page Speed on their pages obtain a set of scores for each page, as well as useful hints on how to rise its performance.

With Page Speed

* Your website moves faster
* Hold Internet users stay in your site
* Decreases your bandwidth and hosting costs
* Enhance the web!