⚡ Web Server Modules in the United Kingdom

Web server modules are software components that extend the functionality of a web server by providing features such as authentication, caching, load balancing, URL rewriting, and security enhancements.

The United Kingdom of Great Britain and Northern Ireland (UK) is a Western European country with a population of over 67 million people.

According to our data, web server modules are used on 1.1% of websites from the United Kingdom.

⭐ Most Popular in 2026

The following chart shows the top web server modules in the United Kingdom in 2026, based on market share.

The most popular is OpenSSL, which dominates the market with a substantial 61.5% share.
It is followed by PageSpeed with 28.8% and mod_aclr2 with 5.8%.

OpenSSL 61.5%
PageSpeed 28.8%
mod_aclr2 5.8%
mod_bwlimited 5%
mod_fcgid 3.8%
mod_perl 2.9%
WebDAV 2.6%
mod_ssl 1.6%
mod_jk 1.3%
mod_wsgi 1.1%
mod_fastcgi 0.5%
mod_apreq2 0.4%
Swoole 0.4%
mod_python 0.4%
mod_gzip 0.2%

🚀 Highlights

Here is a list of the top modules that are more popular in the United Kingdom than worldwide.
Differences between global and country rankings are shown in parentheses.

3. mod_aclr2 ^(-1)
4. mod_bwlimited ^(-3)
6. mod_perl ^(-2)
11. mod_fastcgi ^(-1)
12. mod_apreq2 ^(-3)
15. mod_gzip ^(-1)
16. LibreSSL ^(-1)
17. mod_log_rotate ^(-1)
19. mod_throttle ^(-1)

✨ Best Web Server Modules

Below is a more detailed list of 19 web server modules used on sites from the United Kingdom, ranked by their market share.

Rank	Name	Market share
1	OpenSSL Newark, Delaware, United States An open-source software library that provides strong encryption using the SSL and TLS protocols.	61.5%
2	PageSpeed Mountain View, California, United States An open-source web server module for rewriting web pages to reduce latency and bandwidth, available for Apache and Nginx.	28.8%
3	mod_aclr2 Lafayette, Colorado, United States An Apache web server module that automates serving static content with NGINX as a reverse proxy. FreeOpen source	5.8%
4	mod_bwlimited Houston, Texas, United States A CPanel module that allows limiting and monitoring of bandwidth and connection speed.	5%
5	mod_fcgid Wilmington, Delaware, United States A FastCGI module for the Apache HTTP Server. FreeOpen source	3.8%
6	mod_perl Wilmington, Delaware, United States A module for the Apache web server that embeds a Perl interpreter into the server. FreeOpen source	2.9%
7	WebDAV Wilmington, Delaware, United States The WebDAV (Web-based Distributed Authoring and Versioning) module allows users to collaboratively edit and manage files on remote web servers. FreeOpen source	2.6%
8	mod_ssl Wilmington, Delaware, United States Provides SSL v3 and TLS v1.x support for the Apache HTTP Server. FreeOpen source	1.6%
9	mod_jk Wilmington, Delaware, United States A module designed to forward requests from Apache to the Tomcat web server to run Java-based web applications. FreeOpen source	1.3%
10	mod_wsgi An Apache module that implements a WSGI compliant interface for hosting Python based web applications on top of the Apache web server.	1.1%
11	mod_fastcgi A third-party module for the Apache web server that enables the FastCGI protocol for communicating with applications that generate dynamic content for web pages.	0.5%
12	mod_apreq2 Wilmington, Delaware, United States An Apache HTTP Server filter module that connects the libapreq2 request parsing library into the server. FreeOpen source	0.4%
13	Swoole Shanghai, China A high-performance PHP extension that enhances the language with asynchronous I/O, coroutines, and advanced concurrency capabilities. FreeOpen source	0.4%
14	mod_python Wilmington, Delaware, United States An Apache web server module that embeds the Python interpreter within the server, allowing Python code to run many times faster than traditional CGI by executing inside persistent Apache processes. FreeOpen source	0.4%
15	mod_gzip	0.2%
16	LibreSSL Edmonton, Alberta, Canada A fork of OpenSSL 1.0.1g developed to modernize the codebase and improve security.	0.1%
17	mod_log_rotate	0.1%
18	mod_qos A quality of service module for the Apache web server that implements configurable control mechanisms to prioritize and manage HTTP requests to preserve server resources under load. FreeOpen source	0.06%
19	mod_throttle An Apache module specifically designed to reduce server load by controlling and limiting requests according to supported polices.	0.06%

👉 See Also

🌎 Web Server Modules in other countries

Data is based on the analysis of 157,370 websites from the United Kingdom.
Statistics were last calculated on March 21, 2026.
For details, see our methodology and disclaimer.