Page Load Time - New Dimention Of Optimization

Hi All
This information may be helpful to you in optimization time.
Web Page Load Time time taken by the browser to open a web page with full functionality.
It is widely accepted that fast-loading pages improve the user experience. In recent years, many sites have started using AJAX techniques to reduce latency. Rather than round-trip through the server retrieving a completely new page with every click, often the browser can either alter the layout of the page instantly or fetch a small amount of HTML, XML, or java script from the server and alter the existing page. In either case, this significantly decreases the amount of time between a user click and the browser finishing rendering the new content.

Right from February 2008, you'll be able to see a grade for your website's load time in your Ad Words account. 'Load time' refers to the amount of time it takes for a user to arrive at your functional landing page after clicking your ad.
"Several weeks after your load time grade becomes visible, it will begin to impact your landing page quality and, therefore, your Quality Score. We recommend working to improve your load time during this interim if it's received a low score.
Why is load time a factor?
Users value ads that bring them to the information they want as efficiently as possible. A high-quality landing page should load quickly as well as feature unique, relevant content. Fast load times benefit advertisers as well, since users are less likely to abandon a site that loads quickly.
How is my load time graded?
Each of your keywords will receive a load time 'grade' depending on the destination URL associated with that keyword:
If you assigned a keyword-level destination URL to a particular keyword, then the keyword's load time grade will be based on that URL.
If you didn't assign a keyword-level destination URL, then the keyword's load time grade will reflect the slowest load time among threads in the ad group.
Note that evaluation of load time is calculated relative to the average in your geographical region."
My Next posting would be Tips to keep your load time at relatively low level.
Regards
Praveen Pandey