OpenSSL Usage Statistics

Websites using OpenSSL


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

Quantcast Top 10k
381 of 10,000


Quantcast Top 100k
5,757 of 100,000


Quantcast Top Million
58,407 of 830,535


BuiltWith Top Sites
118,939 of 1,709,444


Premium Sites
737,854 of 10,346,910


Entire Internet
6,372,530 of 289,232,548


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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 6,372,530 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

1,637,106 websites

OpenSSL 1.0.0

1,094,667 websites

OpenSSL 0.9.8

3,172,293 websites

OpenSSL 0.9.7

426,920 websites

OpenSSL 0.9.6

42,212 websites

Browse groups of technologies that we track.