LiteSpeed Web Server
1,268,137 websites

LiteSpeed Web Server offers both free and paid options

https://www.litespeedtech.com/products/litespeed-web-server

LiteSpeed web server is a light-weight server which conserves resources without sacrificing performance, security, compatibility, or convenience. It is capable of handling multiple concurrent clients with minimal memory consumption and CPU ...

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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 and The Entire Web.

2 LiteSpeed Web Server is leading in Top 1M Sites.

Websites Categories

1 Varnish has better usage coverage in more websites categories. Including Arts & Entertainment, Computers Electronics & Technology, Science & Education, Food & Drink and 16 other categories.

2 LiteSpeed Web Server is leading in Adult, E-commerce & Shopping, Heavy Industry & Engineering and Home & Garden.

Geography

1 LiteSpeed Web Server is leading in most countries, including India, Poland, Australia, Brazil and 118 other countries.

2 Varnish is leading in United States, Japan, United Kingdom, France and 40 other countries.