Category - Web Server Extensions

OpenSSL is a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols.

We have discovered 1,561,946 live websites that are using OpenSSL.

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Technology usage statistics

Websites using OpenSSL1,561,946 websites
Most popular in the country US
Market position in Web Server Extensions#1
Market penetration in Web Server Extensions75.82%
Most popular version1.0.2

Technology adoption

Recent changes in OpenSSL usage. (See OpenSSL Usage Changes report)
Websites that added OpenSSL+259,603
Websites that dropped OpenSSL-237,556
Websites that changed version of OpenSSL25,355

Distribution by websites popularity

OpenSSL detection in the top websites by popularity
Top 10k sites143 websites
Top 100k sites2,315 websites
Top 1m sites28,757 websites

Websites utilizing OpenSSL

Top websites that use OpenSSL

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Flat price per the report, subscription is not required.

Geographical Distribution

Technology usage distribution by websites across the globe.

Alternative Technologies

mod_fcgid: Total 559,508 domains found using mod_fcgid
Google PageSpeed: Total 321,357 domains found using Google PageSpeed
mod_ssl: Total 155,804 domains found using mod_ssl
mod_bwlimited: Total 134,327 domains found using mod_bwlimited
WebDAV: Total 112,465 domains found using WebDAV
mod_perl: Total 75,349 domains found using mod_perl
mod_gzip: Total 58,181 domains found using mod_gzip
mod_dav: Total 55,774 domains found using mod_dav
mod_python: Total 41,541 domains found using mod_python
mod_jk: Total 39,987 domains found using mod_jk


  • 0 (8 subversions, 73,069 domains)
  • 1 (5 subversions, 1,485,875 domains)
  • 3 (7 subversions, 1,807 domains)