OpenSSL Usage Statistics

Websites using OpenSSL


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

Quantcast Top 10k
483 of 10,000


Quantcast Top 100k
6,849 of 100,000


Quantcast Top Million
59,149 of 832,914


BuiltWith Top Sites
123,723 of 1,739,820


Premium Sites
864,337 of 10,774,079


Entire Internet
6,377,314 of 289,262,924


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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 6,377,314 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

1,636,157 websites

OpenSSL 1.0.0

1,096,411 websites

OpenSSL 0.9.8

3,175,867 websites

OpenSSL 0.9.7

427,288 websites

OpenSSL 0.9.6

42,258 websites

Browse groups of technologies that we track.