Apache Tomcat
49,024 websites

Apache Tomcat is free to use

http://tomcat.apache.org/

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

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Varnish
1,294,354 websites

Varnish is free to use

https://www.varnish-cache.org/

Varnish is an HTTP accelerator designed for content-heavy dynamic web sites. In contrast to other web accelerators, such as Squid, which began life as a client-side cache, or Apache and nginx, which are primarily origin servers, Varnish was...

Market Share by Top Websites

1 Varnish is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, Apache Tomcat is clearly lagging behind, losing to Varnish in all segments.

Websites Categories

1 Varnish has better usage coverage in more websites categories. Including Arts & Entertainment, Computers Electronics & Technology, Science & Education, Food & Drink and 20 other categories.

2 Apache Tomcat hasn't got a lead over Varnish in any websites category.

Geography

1 Varnish is leading in most countries, including United States, Japan, United Kingdom, France and 160 other countries.

2 Apache Tomcat hasn't got a lead over Varnish in any country.