PHP Accelerators/Cachers will boost the performance of your PHP applications, by caching the compiled form of php scripts to avoid the overhead of parsing and compiling the code every time the page is loaded. A PHP accelerator typically reduces server load and increases the speed of your PHP code by 1-10 times. Normally you will install these in the form of a php extension.

This list contains all the php accelerator solutions available at this time, with a short description and some personal notes. When choosing a php accelerator for your site, you should evaluate:
- evaluate the speed improvement. Normally any php application will gain at least 100% in speed only by installing any php accelerator, but you should do your own benchmark to see if it is useful or not.
- look for any problems caused by this. Your application might break or crash randomly after installing a php accelerator. The current solutions look pretty stable, but still this might happen. Read the rest of this entry »