OpenSSL Usage Statistics

Websites using OpenSSL


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

Quantcast Top 10k
499 of 10,000


Quantcast Top 100k
6,784 of 100,000


Quantcast Top Million
58,960 of 829,460


BuiltWith Top Sites
124,574 of 1,739,594


Entire Internet
6,378,165 of 289,262,698


Log in or Sign up for Free to see OpenSSL history back another year to October 2012. View plans for historical access back to November 2008.

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 6,378,165 live websites using OpenSSL in our records.

View Website List

Get a list of websites using OpenSSL

Pro Screenshot

OpenSSL 1.0.1

1,635,706 websites

OpenSSL 1.0.0

1,096,660 websites

OpenSSL 0.9.8

3,176,865 websites

OpenSSL 0.9.7

427,349 websites

OpenSSL 0.9.6

42,254 websites

Browse groups of technologies that we track.