LiteSpeed Knowledgebase

LiteSpeed LScache is the cache engine of the LiteSpeed web server. Like almost every other HTTP cache, LScache is URL based. This means that one (1) static cache copy is created from each URL. This also includes URLs with $_GET parameters, by the way, at least for LiteSpeed. Apparently that would...

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...

From a distance, LiteSpeed is a web server like Apache or ngnix. Up close, LiteSpeed is a very special web server. LiteSpeed originates from the US company LiteSpeed Inc. of the same name and was launched in 2001. The LiteSpeed web server is therefore not a new release. However, the degree of...

For those who don't know what a cache actually is, let's deal with it first. This basic knowledge is essential for understanding LScache.Basically, the term cache is already ancient and has been around almost since the first day of computers and software. In order to understand what a cache...

HTTP/3 is the successor to HTTP/2 and brings some improvements. However, it is not as if HTTP/3 completely replaces HTTP/2. Both protocols have their advantages and disadvantages and are used depending on the requirements and infrastructure of the respective web project.However, HTTP/3 is...

LiteSpeed Cache is tag-based (which means that each page is stored with an identifier that allows it to be deleted from the cache as part of a specific subset) and has built-in public and private caches. In the public cache you will find pages that are exactly the same for everyone. Private...

lsphp is a PHP handler provided by the LiteSpeed Web Server software. It is an alternative to the standard PHP handlers like mod_php and PHP-FPM used by other web servers like Apache and Nginx.Lsphp offers high performance and scalability for PHP-based web applications and is particularly...

Compared to Nginx, the LiteSpeed web server offers a few advantages:Better Performance: The LiteSpeed web server is generally faster than Nginx, especially when processing PHP. This is because it has an improved architecture and optimized code. Compatibility with Apache: The...

QUIC (Quick UDP Internet Connections) is a network protocol based on UDP (User Datagram Protocol) and developed by Google. It was designed to solve TCP (Transmission Control Protocol) problems, especially related to connection time and latency. QUIC is a reliable, secure and faster alternative to...

Most modern web servers support QUIC. Some of the well-known web servers that support QUIC are:nginx Apache caddy LiteSpeed However, it is important to note that support for QUIC may depend on the server version and configuration used. Some servers may also require...

ESI:inline and ESI:include are two different directives in ESI, each used to embed dynamic content in a web application.ESI:include : This directive makes it possible to fetch dynamic content from another resource or server and embed it in the current page. The server loads the content...

HTTP/3 is a further development of the HTTP/2 protocol and has several advantages: Faster connection establishment: HTTP/3 uses the QUIC protocol as a transport protocol, which enables a faster connection establishment than TCP. This leads to shorter loading times. Better...

More and more web servers support the HTTP/3 protocol. Here are some of the most popular web servers that support HTTP/3:LiteSpeed Web Server: LiteSpeed was the first web server to support HTTP/3 in version 5.4. Apache: The latest release of Apache 2.4.x supports HTTP/3 through...

QUIC.cloud is a Content Delivery Network (CDN) built specifically for the QUIC protocol. Developed by LiteSpeed Technologies, it enables website owners to deliver their website content worldwide in a fast and secure manner.QUIC is a new transport protocol developed by Google and based on...

Brotli is a data compression algorithm developed by Google and available since 2015. It was specially developed for compressing HTTP responses on the web and, compared to other algorithms such as Gzip or Deflate, offers a higher compression rate and thus faster data transmission. Compared to...

Brotli Compression is usually better than Gzip Compression because it can achieve a higher degree of compression, resulting in smaller file sizes. Brotli was specially developed for web compression and is therefore better adapted to the needs of HTTP/HTTPS than Gzip, which was originally intended...

The Tiny Memory Footprint refers to the low memory usage of an application or a system. It means that an application or system uses a minimal amount of memory and therefore works well on resource-constrained devices such as embedded systems, IoT devices or mobile devices. The Tiny Memory...