Compare LiteSpeed Web Server Editions 2018-06-11 13:08:57 With LiteSpeed's cutting-edge server products, you have choices, from Enterprise to open source.

Comparison of LiteSpeed Web Server Editions

With LiteSpeed's cutting-edge server products, you have choices, from Enterprise to open source.

  • OpenLiteSpeed

    • Large, high-traffic sites
    • No hosting control panel compatibility
    • Apache-compatible rewrite rules
    • Access to cutting edge features
    • Unlimited worker processes
    • Third-party API hooks
    • Built-in page caching

    Open source are free
    under the GPLv3 license for personal and commercial uses

  • LSWS Enterprise

    • Large, high-traffic sites
    • Hosting control panel compatible
    • Fully Apache compatible
    • Supported by cPanel and integrated into DirectAdmin
    • Highest level of stability
    • Ideal for shared hosting providers
    • Number of worker processes based on license
    • Page caching available

    Choosing a License

LiteSpeed Techonologies professional staff provides Free support to LSWS customers through our forum and Free support to OpenLiteSpeed community through our Google Group.

Detailed feature comparison

Hover over items with an asterisk * to show explanation.

Open Enterprise
Basic Features
HTTP 1.0/1.1 compliant
HTTP/2 support
Languages: PHP, Perl, Ruby, Python, JSP, etc.
SAPIs: LiteSpeed API, CGI, FCGI, AJPv13, Proxy
IPv4 and IPv6
Unlimited IP and name-based virtual hosting
GZIP compression
SPDY2/3, WebSocket
Runs on Linux, FreeBSD, MacOSX, Solaris
Apache Compatibility
Apache mod_rewrite rules
Apache mod_security rules
Reads Apache's configuration files directly
Hosting control panel compatible
Full .htaccess support
Performance & Scalability
Event-Driven Architecture
Concurrent connections Unlimited   Unlimited*
Tiny memory footprint
LiteSpeed's exclusive server API (LSAPI)
Separation of server and web applications
SPDY Support
PageSpeed Support
QUIC Support
Advanced .htaccess caching
Built-in page caching   *
ESI support
Asynchronous I/O support
CloudLinux compatibility
Anti-DDoS connection and bandwidth throttling
Anti SSL BEAST and negotiation attack capabilities
Strict HTTP request validation
Denies buffer-overrun attempts
mod_security compatibility
SSL client verification
SSL hardware acceleration
CloudLinux CageFS compatibility
chroot ability
High Availability
Apply changes with zero downtime
Zero downtime server software upgrade
Recovers from service failure instantly
Ease of Use
Intuitive WebAdmin console GUI
Virtual host templates for easy configuration
Real-time service monitoring
Version management
Hosting control panel plugins
Supported by cPanel
Integrated into DirectAdmin
Advanced Features
Easily run multiple versions of PHP on one server
mp4/flv streaming
Stream logs to external logger
MS FrontPage Server Extensions
Geo-IP lookup
Rails shared hosting
Custom log formatting