Application Request Routing

Category - Load Balancer

Application Request Routing (ARR) is an extension to Internet Information Server (IIS), which enables an IIS server to function as a load balancer.

Technology usage statistics

Websites using ARR 10,007 websites
Most popular in the country United States of America
Market position in Load Balancer #3
Market share in Load Balancer 11.99%
Most popular version 3.0

Technology adoption

Recent changes in ARR usage. (See ARR Usage Changes report)
Websites that added ARR +720
Websites that dropped ARR -1,267
Websites that changed version of ARR 44

Distribution by websites popularity

Application Request Routing detection in the top websites by popularity
Top 10k sites 24 websites
Top 100k sites 101 websites
Top 1m sites 1,787 websites

Websites utilizing Application Request Routing

Top websites that use ARR

Domain Country Rank Contacts
fnac.com EU 1,058
www.aspose.com United States of America 1,759
nouw.com United States of America 1,790
redcross.org.au United States of America 2,534
www.redcross.org.au United States of America 2,534
cyberlink.com United States of America 2,608
See full domain list

Market Share

ARR market share within the Load Balancer category

Geographical Distribution

Technology usage distribution by websites across the globe.






Alternative Names

  • Application Request Routing
  • ARR

Versions (by popularity)

  • 3.0 (89.16%)
  • 2.5 (10.84%)


Application Request Routing often used together with


Category - Web Servers.
IIS is used together with ARR on 10,968 domains. Total 650,551 domains found using IIS
Category - Operating Systems.
Windows Server is used together with ARR on 10,023 domains. Total 660,974 domains found using Windows Server
Category - Web Application Frameworks.
Microsoft ASP.NET is used together with ARR on 8,322 domains. Total 573,858 domains found using Microsoft ASP.NET
Category - Document Encoding.
UTF-8 is used together with ARR on 7,825 domains. Total 8,853,308 domains found using UTF-8
Category - Document Standards.
JavaScript is used together with ARR on 5,953 domains. Total 6,741,983 domains found using JavaScript
Category - Mobile.
Viewport Meta is used together with ARR on 4,514 domains. Total 5,033,722 domains found using Viewport Meta


Alternative Technologies


Amazon ALB: Total 29,397 domains found using Amazon ALB
Amazon ELB: Total 43,433 domains found using Amazon ELB
JBCS: Total 44 domains found using JBCS
Oracle Traffic Director: Total 325 domains found using Oracle Traffic Director
idlb: Total 185 domains found using idlb
CLOUD ELB: Total 36 domains found using CLOUD ELB