OpenSSL Usage Statistics

Websites using OpenSSL


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

Quantcast Top 10k
345 of 10,000


Quantcast Top 100k
6,222 of 100,000


Quantcast Top Million
67,298 of 881,241


BuiltWith Top Sites
134,284 of 1,843,292


Premium Sites
422,729 of 10,394,794


Entire Internet
6,521,942 of 308,004,405


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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 6,521,942 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

2,605,695 websites

OpenSSL 1.0.0

710,288 websites

OpenSSL 0.9.8

2,796,252 websites

OpenSSL 0.9.7

371,616 websites

OpenSSL 0.9.6

37,098 websites

Browse groups of technologies that we track.