OpenSSL Usage Statistics

Websites using OpenSSL


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

Quantcast Top 10k
402 of 10,000


Quantcast Top 100k
5,812 of 100,000


Quantcast Top Million
58,089 of 825,486


BuiltWith Top Sites
120,160 of 1,721,722


Premium Sites
753,129 of 10,799,130


Entire Internet
6,373,751 of 289,244,826


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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 6,373,751 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

1,636,901 websites

OpenSSL 1.0.0

1,095,058 websites

OpenSSL 0.9.8

3,173,183 websites

OpenSSL 0.9.7

427,058 websites

OpenSSL 0.9.6

42,220 websites

Browse groups of technologies that we track.