🆚 Microsoft IIS vs. Phusion Passenger
- 📈 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.
Statistics based on 3.3M+ analyzed websites. About this data
Type
Web server
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.
Node.jsHeadquarters
Redmond, Washington, United States
Apeldoorn, Netherlands
Pricing
Free version ✔️IIS Express
Bundled with Windows Server, which is $1,176+
Free version ✔️Open source
Passenger Enterprise$43.32+/month
Categories
Web Servers › Rank #4
Web Servers › Rank #13
Popularity
Determined by the number of sites using each technology.
The Microsoft IIS web server is 30 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
Awards
- 🥇 Most popular in Brunei Darussalam in the Web Servers category.
- 🥈 Second most popular in China in the Web Servers category.
- 🥈 Second most popular in Turkey in the Web Servers category.
- 🥉 Third most popular in Italy in the Web Servers category.
- 🥉 Third most popular in the Czech Republic in the Web Servers category.
- ⭐ 5th most popular in Croatia in the Web Servers category.
- ⭐ 6th most popular in Ukraine in the Web Servers category.
- ⭐ 7th most popular in Poland in the Web Servers category.
- ⭐ 7th most popular in the Czech Republic in the Web Servers category.
- ⭐ 7th most popular in Mexico 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
Internet Services
Health
Travel
Software/Hardware
Public Information
Sports
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
Nginx
Apache
LiteSpeed Web Server
OpenResty
Tomcat
Zope
Oracle WebLogic Server
GlassFish🗃️ About This Data
- We evaluate the popularity of technologies based on the number of websites where we detect their usage.
- Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
- This report is based on the analysis of 3,375,483 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.