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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Phusion Passenger
80,695 websites

Phusion Passenger offers both free and paid options

https://www.phusionpassenger.com

Phusion Passenger - a.k.a. mod_rails or mod_rack - is a web server and application server, designed to be fast, robust and lightweight. Administration tools allow you to gain insight into web application operations and server performance.

Market Share by Top Websites

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

2 In terms of market share, Phusion Passenger is clearly lagging behind, losing to LiteSpeed Web Server in all segments.

Websites Categories

1 LiteSpeed Web Server has better usage coverage in more websites categories. Including Computers Electronics & Technology, Arts & Entertainment, Science & Education, News & Media and 20 other categories.

2 Phusion Passenger hasn't got a lead over LiteSpeed Web Server in any websites category.

Geography

1 LiteSpeed Web Server is leading in most countries, including United States, India, Poland, United Kingdom and 161 other countries.

2 Phusion Passenger is leading in Turkmenistan.