OpenSSL Usage Statistics

Websites using OpenSSL

Top 10k
Top 100k
Top 1m

Quantcast Top 10k
630 of 10,000


Quantcast Top 100k
7,356 of 100,000


BuiltWith Top Million
61,963 of 948,360


Entire Internet
5,163,709 of 363,406,047


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The OpenSSL Project is a collaborative effort to develop a robust, commercial-grade, full-featured, and Open Source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols as well as a full-strength general purpose cryptography library.

Categories: Operating Systems and Servers


Top 10,000 Sites
Top 100,000 Sites
Top 1 Million Sites

This chart shows the amount of websites within the top 10k, 100k, and 1 million sites groups that are categorized as being in the specific vertical.

We know of 5,163,709 live websites using OpenSSL in our records.

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Get a list of websites using OpenSSL

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OpenSSL 1.0.1

3,181,277 websites

OpenSSL 1.0.0

248,469 websites

OpenSSL 0.9.8

1,417,567 websites

OpenSSL 0.9.7

148,600 websites

OpenSSL 0.9.6

23,409 websites

Browse groups of technologies that we track.