Introduction Web server selection is vital in improving the performance of your site and optimizing the user experience. OpenLiteSpeed is an open-source web server that offers speed, security, and simple management. This guide gives a more detailed installation process for OpenLiteSpeed, optimization steps, and its advantages.

What is OpenLiteSpeed? OpenLiteSpeed is an open source and free web server created by LiteSpeed Technologies. OpenLiteSpeed has been developed as a free version alternative to the commercial version of LiteSpeed and offers superb performance, low resource usage, and an easy-to-use management interface.

Benefits of OpenLiteSpeed:

High speed and less memory usage

Easy to use web interface

Support for HTTP/2 and HTTP/3

Inbuilt LSCache caching system

Strong security integration with ModSecurity

OpenLiteSpeed Installation:

Step 1: The Preparation System update:

sudo apt update && sudo apt upgrade -y
Step 2: OpenLiteSpeed Installation Use the following commands to install OpenLiteSpeed:

wget -O - https://openlitespeed.org/packages/openlitespeed-1.7.16.tgz | tar xz
cd openlitespeed
sudo ./install.sh
Step 3: Set Admin Password Create an OpenLiteSpeed admin password by running:

sudo /usr/local/lsws/admin/misc/admpass.sh
Step 4: Start OpenLiteSpeed Start the server with:

sudo systemctl start lsws
sudo systemctl enable lsws
Access via Browser:

http://your-server-ip-address:7080
OpenLiteSpeed Optimization:

LSCache Settings: LSCache plug-in is configured as follows:

Activate LSCache module.

Install and configure LSCache plugin in CMS systems such as WordPress.

PHP Optimization: Edit OpenLiteSpeed PHP configurations from /usr/local/lsws/lsphp74/etc/php.ini:

memory_limit = 256M
upload_max_filesize = 64M
post_max_size = 64M
max_execution_time = 120
Security Optimization:

Install and enable ModSecurity:

sudo apt install modsecurity
Use SSL certification (Let's Encrypt is recommended) to secure access to the management panel.

Performance Optimization:

Enable HTTP/3 support:

WebAdmin > Listener > Add Listener > Protocol (QUIC)
Enable TCP Fast Open and TCP Congestion Control settings for network-level optimization.

Conclusion: OpenLiteSpeed can dramatically improve web performance as a free, powerful, and fast web server. Following the above steps will help you install and easily optimize OpenLiteSpeed. This guide will enable you to maximize the performance and security of your website.