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Websites using K2

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Lead List Exporter

19.2k live K2 sites, ready to export.

That's how many K2 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.

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Every K2 website we detected in Russia.

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 K2 websites on .com domains.

Only sites where an organisation phone number was found.

Create your own

How many websites use K2?

We found K2 on 19,271 websites in our September 2026 crawl, across 131 countries.

Which countries use K2 the most?

By number of websites, the top countries are Russia (15%, 2,882 sites), Italy (10%, 1,917 sites), Germany (8%, 1,537 sites), United States (6%, 1,208 sites) and Greece (5%, 1,003 sites). Together they account for 44% of the 19,271 K2 sites we track. 20% of the sites are in English, and .com is the most used domain ending, on 25% of them.

Where are K2 websites hosted?

The networks carrying the most K2 sites are Hetzner Online GmbH (1,224 sites), Cloudflare, Inc. (1,157 sites) and Aruba S.p.A. (1,010 sites).

What technologies are used with K2?

Across the 19,271 K2 sites we track, the technologies most often found alongside it are Joomla (100%, 19,271 sites), jQuery (96%, 18,568 sites), PHP (94%, 18,187 sites), Bootstrap (73%, 14,033 sites) and jQuery Migrate (70%, 13,507 sites).

Deep Dive

Breakdown of K2 websites

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

FAQ

Answers drawn from our latest crawl of K2 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.