---
title: How to install Zend Optimizer
description: "### How to Install Zend Optimizer/Encoder on cPanel/WHM Zend Optimiser is a PHP addon which offers caching to improve speed when loading sites, it can increase perfomance by up to 40% by caching frequently viewed portions of PHP pages. Zend…"
url: "https://getsimple.net/knowledgebase/how-to-install-zend-optimizer/"
updated: "2021-07-13"
category: Cloud Server Management
---

# How to install Zend Optimizer

### How to Install Zend Optimizer/Encoder on cPanel/WHM

Zend Optimiser is a PHP addon which offers caching to improve speed when loading sites, it can increase perfomance by up to 40% by caching frequently viewed portions of PHP pages. Zend Encoder also is useful for encoding PHP files to protect source code.

To install Zend Optimizer:

1. Login to your server via SSH
2. Run: /scripts/installzendopt
3. Follow the instructions on the screen to install Zend Optimizer

### How to install zend optimizer on other than Cpanel

Run this command:
 cd /usr/local/src;wget http://downloads.zend.com/optimizer/3.2.8/ZendOptimizer-3.2.8-linux-glibc21-i386.tar.gz ; tar -xzvf Z* ; cd Zend* ; ./install