OpenSSL Usage Statistics

Websites using OpenSSL


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

Quantcast Top 10k
340 of 10,000


Quantcast Top 100k
6,181 of 100,000


Quantcast Top Million
66,158 of 877,071


BuiltWith Top Sites
135,377 of 1,848,329


Premium Sites
405,232 of 10,141,219


Entire Internet
6,523,035 of 308,009,442


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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 6,523,035 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

2,603,250 websites

OpenSSL 1.0.0

711,529 websites

OpenSSL 0.9.8

2,799,436 websites

OpenSSL 0.9.7

371,899 websites

OpenSSL 0.9.6

37,129 websites

Browse groups of technologies that we track.