Apache Tomcat is an open source software implementation of the Java Servlet and JavaServer Pages technologies.
https://tomcat.apache.org/connectors-doc/webserver_howto/apache.html
Operating Systems and Servers
Get access to data on 373,099 websites that are Apache Tomcat JK Customers. We know of 23,224 live websites using Apache Tomcat JK and an additional 349,875 sites that used Apache Tomcat JK historically and 8,913 websites in the United States.
Get a list of 373,099 websites using Apache Tomcat JK which includes location information, hosting data, contact details, 23,224 currently live websites and an additional 55,333 domains that redirect to sites in this list. 349,875 sites that used this technology previouslyand 8,913 websites in the United States currently using Apache Tomcat JK.
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