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Websites using Prefix-Free

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Lead List Exporter

2.2k live Prefix-Free sites, ready to export.

That's how many Prefix-Free 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 Prefix-Free website we detected in Japan.

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 Prefix-Free websites on .com domains.

Only sites where an organisation phone number was found.

Create your own

How many websites use Prefix-Free?

We found Prefix-Free on 2,230 websites in our September 2026 crawl, across 70 countries.

Which countries use Prefix-Free the most?

By number of websites, the top countries are Japan (20%, 447 sites), United States (11%, 236 sites), Canada (8%, 176 sites), Germany (7%, 152 sites) and United Kingdom (5%, 105 sites). Together they account for 50% of the 2,230 Prefix-Free sites we track. 31% of the sites are in English, and .com is the most used domain ending, on 40% of them.

Where are Prefix-Free websites hosted?

The networks carrying the most Prefix-Free sites are IDC Frontier Inc. (244 sites), Amazon.com, Inc. (199 sites) and Cloudflare, Inc. (140 sites).

What technologies are used with Prefix-Free?

Across the 2,230 Prefix-Free sites we track, the technologies most often found alongside it are jQuery (97%, 2,172 sites), PHP (61%, 1,350 sites), Bootstrap (44%, 978 sites), Apache HTTP Server (44%, 976 sites) and Google Analytics (33%, 737 sites).

Deep Dive

Breakdown of Prefix-Free websites

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

FAQ

Answers drawn from our latest crawl of Prefix-Free 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.