🆚 Microsoft IIS vs. Phusion Passenger

Compare technologies based on real-world usage data *

📈 Microsoft IIS is much more popular than Phusion Passenger.
🌎 Microsoft IIS is more popular in the United States, China, and the United Kingdom.
🌍 Phusion Passenger is more popular in Uzbekistan and Aruba.

Type

Web server

About

Microsoft Internet Information Services (IIS) is an extensible web server developed by Microsoft for Windows systems.

It has a modular architecture with standalone components, supports HTTP, HTTP/2, HTTP/3, HTTPS, FTP, FTPS, SMTP, and NNTP protocols, enables worker process isolation through application pools, and provides native integration with ASP.NET and ASP.NET Core.

Phusion Passenger a fast and robust web server and application server for Ruby, Python and Node.js.

Headquarters

Redmond, Washington, United States

Apeldoorn, Netherlands

Website

iis.net #106,574

phusionpassenger.com #147,836

Pricing

Free version ✔️IIS Express

Bundled with Windows Server, which is $1,176+

Free version ✔️Open source

Passenger Enterprise$43.32+/month

Popularity

Determined by the number of sites using each technology.

The Microsoft IIS web server is 31 times more popular than Phusion Passenger.

Total websites

Market share

Web Servers

Popularity by country

Determined by the number of sites detected from each country.

Microsoft IIS is more popular in the United States, China, and the United Kingdom, while Phusion Passenger is more popular in Uzbekistan and Aruba.

United States

China

United Kingdom

Italy

Turkey

India

Netherlands

Germany

Canada

Brazil