Websites using mod_ssl
We detect mod_ssl on 5,659 websites, 0.04% of the 12.7 million live sites we have crawled — and 0.02% of the 12,113 most popular, from ccmixter.org to anglican.org.
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Top sites using mod_ssl
Full list (5,659 sites) →Filter by rank and language. Contact pages and e-mails included.
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Major versions detected on the 5,659 sites. Click a version to get its list.
Where it is used
From the domain extension, not from where the site is hosted.
Country domains
- Japan.jp856
- South Korea.kr266
- Russia.ru242
- Germany.de196
- Czechia.cz188
- Italy.it77
Languages
- English
- Japanese
- Korean
- French
- German
mod_ssl at a glance
We detect mod_ssl on 5,659 websites, 0.04% of the 12.7 million live sites we have crawled. It ranks 4th out of 13 in the Web server extensions category. Among the most popular sites, 0.02% of the top 12,113 use it (2), and 0.05% of the top 1.3 million (707). Sites using it often also use Apache HTTP Server, OpenSSL and PHP. Its main alternatives in Web server extensions are OpenSSL, Engintron and mod_perl. The sites using it are most often in English, followed by Japanese and Korean.
Most popular sites: domains in the top 10,000 or the top 1 million of at least one public ranking (Tranco, Majestic, Open PageRank).
mod_ssl is an Apache HTTP Server module that provides SSL/TLS encryption capabilities for securing web communications. It interfaces with the OpenSSL library to implement the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols. mod_ssl enables Apache to serve HTTPS traffic, encrypting data transmitted between web servers and client browsers. The module supports modern TLS versions, cipher suites, and cryptographic protocols while maintaining compatibility with older systems when configured. It provides features for client certificate authentication, SSL session caching, and various SSL-related directives for fine-grained control. mod_ssl is essential for any Apache web server requiring secure connections, particularly for e-commerce, authentication, and privacy-sensitive applications. The module is widely deployed and considered the standard solution for adding SSL/TLS support to Apache servers.
Counts follow the sites we crawl. Our crawl grew sharply in October 2026, so part of that month's rise reflects coverage, not adoption.
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