OpenSSL Usage Statistics

Websites using OpenSSL


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

Quantcast Top 10k
342 of 10,000


Quantcast Top 100k
6,177 of 100,000


Quantcast Top Million
66,910 of 878,974


BuiltWith Top Sites
133,105 of 1,828,978


Premium Sites
412,380 of 10,725,934


Entire Internet
6,520,763 of 307,990,091


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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 6,520,763 live websites using OpenSSL in our records.

View Website List

Get a list of websites using OpenSSL

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OpenSSL 1.0.1

2,606,059 websites

OpenSSL 1.0.0

709,844 websites

OpenSSL 0.9.8

2,795,218 websites

OpenSSL 0.9.7

371,505 websites

OpenSSL 0.9.6

37,081 websites

Browse groups of technologies that we track.