There are other ways of helping the web server deliver its content faster and faster. It is common to use PHP accelerators for this task. We have some other accelerators that can be evaluated and tested in our environment:
Alternative PHP cache (APC): This is totally free and open source. It will be included in the core of PHP6. It has a rich statistics page that allows evaluation of its behavior. You can learn more about it at http://pecl.php.net/package/APC.
XCache: This was developed by one of the creators of lighttpd. It has a very simple statistics page. A detailed information about this can be found at http://xcache.lighttpd.net/.
eAccelerator: This was created in 2004 as a fork of Turck MMCache. It is supported by the most recent versions of PHP. To learn more about it go to http://eaccelerator.net/.
In practice, a PHP accelerator's main function is to improve performance of PHP scripts by caching these compiled scripts so that almost all the overhead of compiling is...