Reduce your page load time

Ever wondered why your page loads slowly even when your database queries execute at lightning speed.
Ever wondered why Super sites like Yahoo, AOL, etc load faster than your site.

If you are still wondering than this small article and the link mentioned at the bottom may help you reduce your page load time.

In any optimization effort it's critical to profile current performance to identify where the greatest improvement can be made. It's clear that the place to focus for fast web pages is the front end:

1. There is more potential for improvement by focusing on the front end. Making the back-end twice as fast reduces response times by 5-10%, whereas making the front end twice as fast saves 40-45%.
2. Front end improvements typically require less time and resources than back-end performance projects.
3. Focusing on front end improvements has proven to work. Over fifty teams at Yahoo! have reduced their end-user response times by following the best practices described here.

As web applications evolve to contain more functionality and content, these best practices are expected to have an even bigger impact.

Results Php Benchmark tests:
http://www.php.lt/benchmark/phpbench.php

The above link serves only the programming aspect of PHP.
There is still lot of improvement you can do in JavaScript and DOM.
So keep googling you might end up with what you exactly want.