Products - Web Infrastructure Software 2018-12-12 17:14:25 LiteSpeed's web infrastructure software combines unbeatable performance, and drop-in Apache compatibility, with cutting-edge features. Learn more!

Reasons to Choose LiteSpeed

LiteSpeed Web Server

LiteSpeed Web Server conserves resources without sacrificing performance, security, compatibility, or convenience. When you replace Apache with LiteSpeed, you double your maximum capacity, and eliminate the need for a 3rd party caching layer - all in 15 minutes with zero downtime!

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  • Apache Drop-in Replacement

    Apache Drop-in Replacement

    Reads Apache config files directly, supports .htaccess, WAF
  • Control Panel Integration

    Control Panel Compatible

    Integrates with cPanel, Plesk, DirectAdmin and InterWorx...
  • Cloudlinux Integration

    CloudLinux Integration

    Supports LVE, CageFS, PHP/Ruby/Python Selector
  • LSCache Engine with ESI

    LSCache Engine with ESI

    Supports hole-punching through Edge Side Includes
  • Zero-Downtime Maintenance

    Zero-Downtime Maintenance

    Allows graceful restart and software update with zero downtime
  • One-Click Cache Acceleration

    One-Click Cache Acceleration

    Mass deploy LSCache for all WordPress across entire server
  • Fastest PHP Available

    Fastest PHP Available

    LSPHP with suEXEC outperforms PHP-FPM in every way
  • Ruby + Python App Server

    Ruby + Python App Server

    Instant performance boost with LSAPI for Ruby and Python


Our Open Source web server is held to the same high standard as our Enterprise solution: OpenLiteSpeed is a high-performance, lightweight, open source HTTP server. Users are free to download, use, distribute, and modify OpenLiteSpeed and its source code in accordance with the precepts of the GPLv3 license.

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  • mod_rewrite Compatible

    mod_rewrite Syntax

    Rewrite engine compatible with Apache rewrite rules
  • WebAdmin Console

    WebAdmin Console

    Take total web server control via simple web GUI
  • PHP LiteSpeed SAPI

    Multiple PHP Support

    Supports embedded PHP, LSAPI for 2x faster external apps
  • CMS Acceleration

    CMS Acceleration

    Delivers superior performance to WordPress, Drupal, and Joomla
  • ModSecurity Integration

    ModSecurity Integration

    mod_security v3 integration provides Layer-7 protection
  • One-Click Installation

    One-Click Installation

    Install OpenLiteSpeed, MariaDB, and WordPress in one click
  • Multi-Thread Module

    Multi-Thread Module

    The fastest web service platform using custom MT module
  • Enormous Scalability

    Enormous Scalability

    Event-driven, serving more clients with less memory


LiteSpeed Web ADC is an affordable, high-performance HTTP load balancer application. Feature-rich, secure, and efficient, it offers more flexibility than similarly-priced load balancing software. Web ADC is an excellent choice for small enterprises looking to scale their applications beyond one server.

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  • LSCache with ESI

    LSCache with ESI

    Edge Side Includes allows caching of dynamic content
  • High Availability IP Failover

    High Availability IP Failover

    Reliable access to all data, even if a server goes down
  • Cross Data Center Replication

    Cross Data Center Replication

    Provides real-time, asynchronous replication across data centers
  • Cutting Edge Features

    Cutting Edge Features

    Supports QUIC, HTTP/2, TLSv1.3, TCP_FASTOPEN, and more
  • Web App Acceleration

    Web App Acceleration

    Best customizable acceleration for WordPress, Magento, and more
  • Layer 7 Anti-DDoS Filtering

    Layer 7 Anti-DDoS Filtering

    Vigilantly detects and thwarts attacks in progress
  • Flexible Load Distribution

    Flexible Load Distribution

    Highly configurable, can match virtually every deployment
  • Simplified Deployment

    Simplified Deployment

    ZeroConf consolidates cluster configuration, reduces complexity

Cache Plugins

Highly-customizable server-level caching solutions, LSCache plugins are designed to hyper-charge popular web apps with little to no configuration required. Turbo-charge popular web apps with minimal fuss, handle traffic spikes with ease, and precisely manage cache with powerful Smart Purge technology.

LiteSpeed Cache Plugins for:

  • Dynamic Content Cache

    Dynamic Content Cache

    Handles personalized content on public pages with ESI
  • Maximum Performance

    Maximum Performance

    High PageSpeed scores, exceptional user experience
  • Accurate Cache Update

    Accurate Cache Update

    Features tag-based Smart Purge, content always served fresh
  • Wide Apps Coverage

    Wide Apps Coverage

    Magento, WordPress, XenForo, PrestaShop, Drupal, Joomla ...
  • Easy Setup

    Easy Setup

    Simple configuration, works right out of the box
  • Desktop/Mobile View

    Desktop/Mobile View

    Caches multiple views of the same page based on user agent
  • Geographic View

    Geographic View

    Store multiple views based on location, language, currency
  • Open Source

    Open Source

    All of our plugins are open source, under GPLv3