OpenSSL 3.x icon

Websites using OpenSSL 3.x

OpenSSL is a software library for applications that secure communications over computer networks against eavesdropping or need to identify the party at the other end.

Lead List Exporter

80.7k live OpenSSL 3.x sites, ready to export.

That's how many OpenSSL 3.x websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.

Pick a ready-made template, or build your own filters in the Lead List Exporter and pay only for the rows you export.

Open the Lead List Exporter

Just need a few domains? Export up to 10 free from a subset of our crawl.

Start with a list template

Every OpenSSL 3.x website we detected in the United States.

Only sites where a personal, company-hosted email was found.

Sites with at least one personnel LinkedIn profile.

Start with the highest-traffic end of the dataset.

Limit results to OpenSSL 3.x websites on .com domains.

Only sites where an organisation phone number was found.

Create your own
Versions

Which OpenSSL 3.x versions are most used?

We could read a version number on 100% of OpenSSL 3.x sites. Of those, the most common are OpenSSL 3.5.5, on 25,380 sites, OpenSSL 3.5.1, on 11,424 sites and OpenSSL 3.2.2, on 9,141 sites.

31% on v3.5.5
Versions detected
61
Sites with a version
80,727
Share of sites by version
v3.5.5 31% v3.5.1 14% v3.2.2 11% v3.5.7 5% v3.0.7 5% v3.0.8 4% v3.4.1 4% v3.1.3 3% v3.0.20 2% v3.5.6 2% v3.1.4 2% v3.0.16 2% v3.0.13 1% v3.0.2 1% v3.5.4 1% v3.6.3 1% v3.6.2 1% v3.0.12 1% v3.0.21 1% v3.0.15 1% v3.0.14 1% v3.1.7 <1% v3.3.2 <1% v3.6.1 <1% v3.5.0 <1% v3.2.6 <1% v3.1.6 <1% v3.6.0 <1% v3.1.2 <1% v3.0.9 <1% v3.1.8 <1% v3.1.5 <1% v3.0.1 <1% v3.5.8 <1% v3.0.18 <1% v3.2.4 <1% v3.0.17 <1% v3.0.19 <1% v3.0.11 <1% v3.1.1 <1% v3.3.1 <1% v3.2.1 <1% v3.4.0 <1% v3.0.10 <1% v3.5.2 <1% v3.2.0 <1% v3.0.5 <1% v3.3.3 <1% v3.6.4 <1% v3.1.0 <1% v3.3.0 <1% v3.0.0 <1% v3.0.22 <1% v3.5.3 <1% v3.0.3 <1% v3.4.3 <1% v3.2.5 <1% v3.4.6 <1% v3.3.5 <1% v3.4.2 <1% v3.3.7 <1%

How many websites use OpenSSL 3.x?

We found OpenSSL 3.x on 80,727 websites in our September 2026 crawl, across 177 countries.

Which countries use OpenSSL 3.x the most?

By number of websites, the top countries are United States (25%, 20,396 sites), Netherlands (13%, 10,522 sites), Japan (7%, 5,799 sites), Germany (6%, 4,826 sites) and United Kingdom (6%, 4,700 sites). Together they account for 57% of the 80,727 OpenSSL 3.x sites we track. 40% of the sites are in English, and .com is the most used domain ending, on 38% of them.

Where are OpenSSL 3.x websites hosted?

The networks carrying the most OpenSSL 3.x sites are Amazon.com, Inc. (14,108 sites), NetBase BV (9,450 sites) and FIBIA P/S (3,278 sites).

What technologies are used with OpenSSL 3.x?

Across the 80,727 OpenSSL 3.x sites we track, the technologies most often found alongside it are Apache HTTP Server (over 99%, 80,726 sites), PHP (67%, 53,866 sites), jQuery (62%, 49,845 sites), MySQL (35%, 28,027 sites) and WordPress (34%, 27,574 sites).

Deep Dive

Breakdown of OpenSSL 3.x websites

What else they run, plus their language, hosting network, domain extension and country.

FAQ

Answers drawn from our latest crawl of OpenSSL 3.x websites. Anything else, email us and we will look it up.

Through our own crawl, which checks each site's HTML, scripts and headers rather than relying on self-reported data.