🆚 Microsoft IIS vs. Phusion Passenger

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

Statistics based on 3.8M+ analyzed websites. About this data

Microsoft IIS

Phusion Passenger

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.

It can run standalone or as an Nginx or Apache module, provides rolling restarts for zero-downtime deployments, and uses "smart spawning" with copy-on-write to reduce memory usage.

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 $44.56+/month

Popularity

Determined by the number of sites using each technology.

The Microsoft IIS web server is 27 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, the United Kingdom, and Italy, while Phusion Passenger is more popular in Uzbekistan.

United States

United Kingdom

Italy

Turkey

China

India

Netherlands

Czech Republic

Brazil

Canada

Awards

🥇 Most popular in Cambodia in the Web Servers category.
🥇 Most popular in Brunei Darussalam in the Web Servers category.
🥉 Third most popular in Turkey in the Web Servers category.
🥉 Third most popular in China in the Web Servers category.
🥉 Third most popular in the Czech Republic in the Web Servers category.

⭐ 6th most popular in Ukraine in the Web Servers category.
⭐ 7th most popular in Japan in the Web Servers category.
⭐ 8th most popular in Canada in the Web Servers category.
⭐ 8th most popular in Poland in the Web Servers category.
⭐ 9th most popular in Germany in the Web Servers category.

Popularity by domain category

Determined by the number of sites in each category.

Microsoft IIS is more popular than Phusion Passenger in all market segments.

Business

Marketing/Merchandising

Education/Reference

Online Shopping

Travel

Internet Services

Health

Software/Hardware

Public Information

Sports

Top sites

Top-ranked sites that use these technologies.

Name

Rank

#74

#101

#227

#261

#342

Name

Rank

#2,261

#4,651

#5,341

#6,763

#6,793