LiteSpeed Web Server

LiteSpeed Web Server (LSWS) is proprietary web server software. It is the 4th most popular web server, estimated to be used by 10% of websites as of July 2021.[3] LSWS is developed by privately held LiteSpeed Technologies. The software uses the same configuration format as Apache HTTP Server and is compatible with most Apache features.[4][5] An open source variant[6] is also available.[7]

"LiteSpeed" redirects here. For other uses, see Litespeed (disambiguation).
LiteSpeed Web Server
Original author(s)George Wang
Developer(s)LiteSpeed Technologies
Initial releaseJuly 1, 2003 (July 1, 2003)[1]
Stable release
5.4.12 / 22 March 2021 (2021-03-22)[2]
Written inC, C++
Operating systemCloudLinux OS, AlmaLinux/Centos/Red Hat/Fedora, Debian/Ubuntu, FreeBSD
TypeWeb server
LicenseNon-free proprietary or GPL3
Websitewww.litespeedtech.com/products/litespeed-web-server

LSWS was released in 2003, and in August 2008 it became the 16th most popular web server.[8] In November 2016, LiteSpeed's market share grew from 0.39% to 3.29%, increasing its position from 10th to 4th most popular web server according to Netcraft.[9] In 2017, a team from Hong Kong Polytechnic University found it to be one of the six most popular web servers,[10] and it was estimated by a team at RWTH Aachen University to be running 9.2% of all HTTP/2-enabled websites.[11] As of April 2020, LSWS was used by 69.3% of websites using QUIC[12] and 47.6% of websites using HTTP/3.[13]

According to a Netcraft web server survey, LiteSpeed had not grown beyond 3% of global market shares as of 2021.[14]

LiteSpeed Cache plugin, also known as LSCache, is a cache and performance management plugin for websites developed specifically for LiteSpeed Web Server. You can download this plugin from WordPress.

Features

LSWS is compatible with commonly-used Apache features, including mod_rewrite, .htaccess, and mod_security. LSWS can load Apache configuration files directly and works as a drop-in replacement for Apache while fully integrating with popular control panels. LSWS replaces all Apache functions, but uses an event driven approach to handle requests.[15]

History

LiteSpeed Technologies was founded in early 2002 by a team of engineers led by George Wang. On July 1, 2003, LiteSpeed Web Server was officially released as a full-featured web server. In 2007, LiteSpeed Web Server became LiteSpeed Web Server Enterprise and was configured to be an Apache drop-in replacement. In that same year, the web server integrated with cPanel, DirectAdmin, and Plesk. LiteSpeed Web Server officially began supporting HTTP/2 in 2015 with version 5.0, and also released LSCache (cache plugin for WordPress) with ESI in version 5.0.10.[1] In 2017, LSWS released QUIC support.[16] In July 2019, LSWS announced support for HTTP/3.[17]

See also

References
  1. "LiteSpeed Web Server Release Log Archive". LiteSpeed. Retrieved 1 September 2017.
  2. "LiteSpeed Web Server Release Log". LiteSpeed. Retrieved 11 August 2020.
  3. "Usage of web servers for websites". W3Techs. Retrieved 27 July 2021.
  4. "August 2015 Web Server Survey". Netcraft. 13 August 2015. Retrieved 1 September 2017.
  5. Adelstein, Tom; Lubanovic, Bill (2007). Linux system administration (1st ed.). Sebastopol, CA: O'Reilly. p. 162. ISBN 9780596009526. OCLC 71808193.
  6. "How to install OpenLiteSpeed on Rocky Linux 9 | CentLinux". www.centlinux.com. Retrieved 2023-04-20.
  7. "Get OpenLiteSpeed!". 28 October 2019. Retrieved 28 October 2019.
  8. "August 2008 Web Server Survey". Netcraft. 29 August 2008. Retrieved 1 September 2017.
  9. "November 2016 Web Server Survey". Netcraft. 22 November 2016. Retrieved 1 September 2017.
  10. Jiang, M.; Luo, X.; Miu, T.; Hu, S.; Rao, W. (June 2017). "Are HTTP/2 Servers Ready Yet?". 2017 IEEE 37th International Conference on Distributed Computing Systems (ICDCS). pp. 1661–1671. doi:10.1109/icdcs.2017.279. ISBN 978-1-5386-1792-2. S2CID 4700093.
  11. Zimmermann, Torsten; Rüth, Jan; Wolters, Benedikt; Hohlfeld, Oliver (2017). "How HTTP/2 Pushes the Web: An Empirical Study of HTTP/2 Server Push" (PDF). IFIP Networking Conference.
  12. "Distribution of web servers among websites that use QUIC". Retrieved 2020-04-19.
  13. "Distribution of Web Servers among websites that use HTTP/3". W3techs.com. 2019-12-02. Retrieved 2020-04-19.
  14. "Netcraft web server survey". Netcraft. March 2021.
  15. "Event-Driven vs. Process-Based Web Servers". LiteSpeed. Retrieved 1 September 2017.
  16. "LiteSpeed Announces QUIC Support". 11 July 2017. Retrieved 7 September 2017.
  17. "LiteSpeed Web Server Release Log".

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