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 1,594,398 live websites that are using OpenSSL.

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Technology usage statistics

Websites using OpenSSL 1,594,398 websites
Most popular in the country United States of America
Market position in Web Server Extensions #1
Market share in Web Server Extensions 46.62%
Most popular version 1

Technology adoption

Recent changes in OpenSSL usage. (See OpenSSL Usage Changes report)
Websites that added OpenSSL +23,600
Websites that dropped OpenSSL -22,462
Websites that changed version of OpenSSL 4,407

Distribution by websites popularity

OpenSSL detection in the top websites by popularity
Top 10k sites 163 websites
Top 100k sites 2,507 websites
Top 1m sites 30,225 websites

Websites utilizing OpenSSL

Top websites that use OpenSSL

Domain Country Rank Contacts United States of America 193 United States of America 559 United States of America 623 United States of America 773 United States of America 900 United States of America 931
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Flat price per the report, subscription is not required.

Market Share

OpenSSL market share within the Web Server Extensions category

Geographical Distribution

Technology usage distribution by websites across the globe.


  • 0 (8 subversions, 99,835 domains)
  • 1 (5 subversions, 1,493,131 domains)
  • 3 (1 subversions, 45 domains)