OpenSSL Usage Statistics

Websites using OpenSSL


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

Quantcast Top 10k
332 of 10,000


Quantcast Top 100k
5,580 of 100,000


Quantcast Top Million
57,362 of 872,343


BuiltWith Top Sites
114,541 of 1,789,401


Premium Sites
339,983 of 11,520,491


Entire Internet
7,131,276 of 328,846,884


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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 7,131,276 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

3,816,025 websites

OpenSSL 1.0.0

544,861 websites

OpenSSL 0.9.8

2,342,811 websites

OpenSSL 0.9.7

264,269 websites

OpenSSL 0.9.6

31,699 websites

Browse groups of technologies that we track.