OpenSSL Usage Statistics

Websites using OpenSSL


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

Quantcast Top 10k
353 of 10,000


Quantcast Top 100k
6,249 of 100,000


Quantcast Top Million
67,618 of 877,226


BuiltWith Top Sites
130,904 of 1,794,104


Premium Sites
402,884 of 10,917,197


Entire Internet
6,518,562 of 307,955,217


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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 6,518,562 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

2,608,348 websites

OpenSSL 1.0.0

708,627 websites

OpenSSL 0.9.8

2,792,112 websites

OpenSSL 0.9.7

371,158 websites

OpenSSL 0.9.6

37,054 websites

Browse groups of technologies that we track.