Category - Web Server Extensions

mod_jk is an Apache module used to connect the Tomcat servlet container with web servers such as Apache, iPlanet, Sun ONE using the Apache JServ Protocol.

We have discovered 42,425 live websites that are using mod_jk.

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Technology usage statistics

Websites using mod_jk 42,425 websites
Most popular in the country United States of America
Market position in Web Server Extensions #11
Market share in Web Server Extensions 1.25%
Most popular version 1

Technology adoption

Recent changes in mod_jk usage. (See mod_jk Usage Changes report)

Distribution by websites popularity

mod_jk detection in the top websites by popularity
Top 10k sites 12 websites
Top 100k sites 110 websites
Top 1m sites 1,110 websites

Websites utilizing mod_jk

Top websites that use mod_jk

Domain Country Rank Contacts United States of America 1,829 Germany 2,375 United States of America 6,143 Germany 6,643 Germany 6,643 United States of America 7,396
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Flat price per the report, subscription is not required.

Market Share

mod_jk market share within the Web Server Extensions category

Geographical Distribution

Technology usage distribution by websites across the globe.


  • 1 (44 subversions, 41,960 domains)