OpenSSL Usage Statistics

Websites using OpenSSL


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

Quantcast Top 10k
431 of 10,000


Quantcast Top 100k
6,919 of 100,000


Quantcast Top Million
59,568 of 832,959


BuiltWith Top Sites
126,246 of 1,749,117


Premium Sites
455,085 of 10,359,140


Entire Internet
6,379,837 of 289,272,221


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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 6,379,837 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

1,633,335 websites

OpenSSL 1.0.0

1,097,939 websites

OpenSSL 0.9.8

3,179,341 websites

OpenSSL 0.9.7

427,604 websites

OpenSSL 0.9.6

42,284 websites

Browse groups of technologies that we track.