LITE SPEED COMPARED TO APACHE WEB SERVER
Advantages of using lite speed compared to apache:
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1. Lite speed is 6 times faster than Apache.
2. When it comes to dynamic content, LiteSpeed is more than 50% faster in PHP content delivery than Apache with mod_php
3. Increases PHP performance and security while doubling server capacity.
4. Efficient CGI daemon
5. High performance Perl daemon
6. SECURE
* Strictest HTTP request validation
* Deny any buffer-overrun attempts
* Anti-DDoS: Throttling & Connection Accounting
* System overloading prevention
* Chroot web server process
* CGI/FCGI/LSAPI/PHP suEXEC
7.RELIABLE
* Watch Dog monitoring
* Recover from service failure instantly
* Zero down time graceful restart
8.SCALABLE
* Small memory footprint
* Thousands of concurrent connections
* Increase scalability of external web applications
9.LiteSpeed support a wide set of server API and scripting languages.
* CGI/1.1
* FastCGI
* LSAPI (LiteSpeed SAPI)
* JSP/Servlet via AJP 1.3
* Transparent Reverse Proxy (interface to any web server, application server support HTTP)
* PHP with 3rd party PHP Accelerators compatibilities (APC, eAccelerator, XCache).
* Perl/Python (CGI, FastCGI)
* Ruby/Roby on Rails
* C/C++ (CGI, FastCGI, LSAPI)
So, for shared hosting or vps hosting environment better to go for lite speed web server.