⚡ Web Server Modules in Vietnam

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.

Vietnam is a Southeast Asian country with a population of over 99 million people.

According to our data, web server modules are used on 1.8% of websites from Vietnam.

Statistics based on 27K+ analyzed websites. About this data

⭐ Most Popular in 2026

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

The most popular is OpenSSL, which dominates the market with a substantial 62% share.
It is followed by PageSpeed with 31% and mod_aclr2 with 6.8%.

OpenSSL 62%
PageSpeed 31%
mod_aclr2 6.8%
mod_fcgid 3.5%
mod_ssl 2.3%
WebDAV 2.1%
mod_perl 1.4%
mod_python 0.8%
mod_bwlimited 0.8%
mod_wsgi 0.2%
mod_jk 0.2%

🚀 Highlights

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

3. mod_aclr2 ^(-1)
5. mod_ssl ^(-1)
7. mod_perl ^(-1)
8. mod_python ^(-3)

✨ Best Web Server Modules

Below is a more detailed list of 11 web server modules used on sites from Vietnam, 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.	62%
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. FreeOpen source	31%
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	6.8%
4	mod_fcgid Wilmington, Delaware, United States A FastCGI module for the Apache HTTP Server. FreeOpen source	3.5%
5	mod_ssl Wilmington, Delaware, United States Provides SSL v3 and TLS v1.x support for the Apache HTTP Server. FreeOpen source	2.3%
6	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	2.1%
7	mod_perl Wilmington, Delaware, United States A module for the Apache web server that embeds a Perl interpreter into the server. FreeOpen source	1.4%
8	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	0.8%
9	mod_bwlimited Houston, Texas, United States A CPanel module that allows limiting and monitoring of bandwidth and connection speed.	0.8%
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.	0.2%
11	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	0.2%

👉 See Also

🌎 Web Server Modules in other countries

🗃️ About This Data

We evaluate the popularity of technologies based on the number of websites where we detect their usage.
Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
This report is based on the analysis of 27,118 websites from Vietnam.
We currently track the presence of 24 web server modules across the web.
Of these, 11 were detected on websites from Vietnam.
Statistics were last calculated on August 13, 2026.
For more details, see our methodology and disclaimer.