Caddy
trend
28,358 websites

Caddy is free to use

https://caddyserver.com/

Caddy is an alternative web server that is easy to configure and use.

VS

IIS
trend
1,728,326 websites

IIS offers both free and paid options

http://www.iis.net

A flexible & easy-to-manage web server... Internet Information Services (IIS) for Windows® Server is a flexible, secure and manageable Web server for hosting anything on the Web. From media streaming to web applications, IIS's scalable a...

Market Share by Top Websites

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

2 Despite its recent growth, Caddy is still behind IIS in all market share segments.

Websites Categories

1 IIS has better usage coverage in more websites categories. Including Science & Education, Computers Electronics & Technology, Law & Government, Finance and 20 other categories.

2 Caddy hasn't got a lead over IIS in any websites category.

Geography

1 IIS is leading in most countries, including United States, China, United Kingdom, Italy and 161 other countries.

2 Caddy is leading in Turkmenistan.