OpenSSL Usage Statistics

Websites using OpenSSL


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

Quantcast Top 10k
376 of 10,000


Quantcast Top 100k
5,754 of 100,000


Quantcast Top Million
58,155 of 823,131


BuiltWith Top Sites
127,897 of 1,845,074


Premium Sites
368,120 of 10,693,700


Entire Internet
6,381,488 of 289,368,178


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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 6,381,488 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

1,643,885 websites

OpenSSL 1.0.0

1,094,811 websites

OpenSSL 0.9.8

3,174,253 websites

OpenSSL 0.9.7

426,978 websites

OpenSSL 0.9.6

42,226 websites

Browse groups of technologies that we track.