Zend Optimizer is a PHP addon which offers caching to improve speed when loading sites; it can increase performance by up to 40% by caching frequently viewed portions of PHP pages. Zend Guard also is useful for encoding PHP files to protect source code.
Here’s how to install Zend Optimizer:
- Login to your server via SSH
- Run: /scripts/installzendopt
- Follow the instructions on the screen to install Zend Optimizer