What are the differences between Apache, nginx and the LiteSpeed web server?

• Performance: Nginx and LiteSpeed web servers tend to be faster than Apache, especially when processing static files. The LiteSpeed web server is particularly well known for its excellent performance and scalability.
• Memory footprint: Compared to Apache, Nginx and LiteSpeed web servers have a smaller memory footprint, which means they can run more efficiently on systems with limited disk space.
• Configuration: While configuring Apache can be quite complex, configuring Nginx and LiteSpeed web server is usually simpler and more user-friendly.
• Add-ons and modules support: Apache has a large number of add-ons and modules, making it very flexible. Nginx and LiteSpeed web servers also have a growing number of modules, but their choices are more limited compared to Apache.
• License: Apache and Nginx are open source software with different licenses. The LiteSpeed web server, on the other hand, is commercial software that is available in a free and a paid version.

However, it is important to note that each web server has its own strengths and weaknesses and that the choice of web server depends on the specific requirements and needs of the user.