Usage statistics of OpenSSL: There are 1,377,238 websites using OpenSSL.
OpenSSL has a 65% market share in Web Server Extensions. See Global OpenSSL usage statistics and market share in Web Server Extensions.


Most Popular Websites Using OpenSSL

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OpenSSL Market Share on websites using Web Server Extensions

OpenSSL Market Share on 10,000 most visited websites (Top 10K), on 1 million most visited websites (Top 1M) and on all websites using Web Server Extensions.

OpenSSL Market Share

About OpenSSL

OpenSSL is a software library for applications that secure communications over computer networks against eavesdropping or need to identify the party at the other end. It is widely used by Internet servers, including the majority of HTTPS websites.

Official website: https://openssl.org

OpenSSL Market Share History on Websites Using Web Server Extensions in Last 12 Months

Month May 2025June 2025July 2025August 2025September 2025October 2025November 2025December 2025January 2026February 2026March 2026April 2026
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Usage of OpenSSL in Other Countries Across The World

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