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 9,279 websites
Most popular in the country United States of America
Market position in Load Balancer #2
Market share in Load Balancer 18.57%
Most popular version 3.0

Technology adoption

Recent changes in ARR usage. (See ARR Usage Changes report)
Websites that added ARR +309
Websites that dropped ARR -776
Websites that changed version of ARR 16

Distribution by websites popularity

Application Request Routing detection in the top websites by popularity
Top 10k sites 23 websites
Top 100k sites 96 websites
Top 1m sites 1,702 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 Sweden 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 (88.46%)
  • 2.5 (11.54%)


Application Request Routing often used together with


Category - Web Servers.
IIS is used together with ARR on 9,939 domains. Total 603,962 domains found using IIS
Category - Operating Systems.
Windows Server is used together with ARR on 9,279 domains. Total 613,071 domains found using Windows Server
Category - Web Application Frameworks.
Microsoft ASP.NET is used together with ARR on 7,441 domains. Total 534,110 domains found using Microsoft ASP.NET
Category - Document Encoding.
UTF-8 is used together with ARR on 6,987 domains. Total 8,486,158 domains found using UTF-8
Category - Document Standards.
JavaScript is used together with ARR on 5,197 domains. Total 6,425,165 domains found using JavaScript
Category - Document Standards.
HTML5 Tags is used together with ARR on 2,854 domains. Total 4,203,578 domains found using HTML5 Tags


Alternative Technologies


Amazon ELB: Total 40,148 domains found using Amazon ELB
JBCS: Total 60 domains found using JBCS
Oracle Traffic Director: Total 275 domains found using Oracle Traffic Director
idlb: Total 182 domains found using idlb
CLOUD ELB: Total 35 domains found using CLOUD ELB