Apache Tomcat icon

Websites using Apache Tomcat

Apache Tomcat is an open-source implementation of the Java Servlet, JavaServer Pages, Java Expression Language and WebSocket technologies.

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16.3k live Apache Tomcat sites, ready to export.

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

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Every Apache Tomcat website we detected in South Korea.

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 Apache Tomcat websites on .com domains.

Only sites where an organisation phone number was found.

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Versions

Which Apache Tomcat versions are most used?

We could read a version number on 2% of Apache Tomcat sites. Of those, the most common are Apache Tomcat 5, on 407 sites and Apache Tomcat 9, on 1 site.

100% on v5
Versions detected
2
Sites with a version
408
Share of sites by version
v5 100% v9 <1%

How many websites use Apache Tomcat?

We found Apache Tomcat on 16,324 websites in our September 2026 crawl, across 138 countries.

Which countries use Apache Tomcat the most?

By number of websites, the top countries are South Korea (17%, 2,838 sites), China (15%, 2,500 sites), United States (14%, 2,204 sites), Canada (9%, 1,392 sites) and Germany (5%, 868 sites). Together they account for 60% of the 16,324 Apache Tomcat sites we track. 28% of the sites are in English, and .com is the most used domain ending, on 38% of them.

Where are Apache Tomcat websites hosted?

The networks carrying the most Apache Tomcat sites are Amazon.com, Inc. (1,454 sites), Hangzhou Alibaba Advertising Co.,Ltd. (1,252 sites) and Korea Telecom (1,011 sites).

What technologies are used with Apache Tomcat?

Across the 16,324 Apache Tomcat sites we track, the technologies most often found alongside it are Java (77%, 12,649 sites), jQuery (70%, 11,368 sites), Apache HTTP Server (50%, 8,220 sites), mod_jk (47%, 7,651 sites) and OpenSSL (39%, 6,445 sites).

Deep Dive

Breakdown of Apache Tomcat websites

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

FAQ

Answers drawn from our latest crawl of Apache Tomcat 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.