Category - Web Server Extensions

mod_qos is an Apache extension module that provides request priority queue to improve a quality of service (QoS).

We have discovered 7,749 live websites that are using mod_qos.

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Technology usage statistics

Websites using mod_qos7,749 websites
Most popular in the country CH
Market position in Web Server Extensions#16
Market penetration in Web Server Extensions0.38%
Most popular version11.66

Technology adoption

Recent changes in mod_qos usage. (See mod_qos Usage Changes report)
Websites that added mod_qos+782
Websites that dropped mod_qos-968
Websites that changed version of mod_qos1,543

Distribution by websites popularity

mod_qos detection in the top websites by popularity
Top 10k sites4 websites
Top 100k sites14 websites
Top 1m sites131 websites

Websites utilizing mod_qos

Top websites that use mod_qos

DomainCountryRankContacts US2,824 US4,844 US6,722 US7,074 US14,840 US14,840
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Flat price per the report, subscription is not required.

Geographical Distribution

Technology usage distribution by websites across the globe.

Alternative Technologies

OpenSSL: Total 1,561,946 domains found using OpenSSL
mod_fcgid: Total 559,508 domains found using mod_fcgid
Google PageSpeed: Total 321,357 domains found using Google PageSpeed
mod_ssl: Total 155,804 domains found using mod_ssl
mod_bwlimited: Total 134,327 domains found using mod_bwlimited
WebDAV: Total 112,465 domains found using WebDAV
mod_perl: Total 75,349 domains found using mod_perl
mod_gzip: Total 58,181 domains found using mod_gzip
mod_dav: Total 55,774 domains found using mod_dav
mod_python: Total 41,541 domains found using mod_python


  • 9 (4 subversions, 70 domains)
  • 10 (9 subversions, 812 domains)
  • 11 (28 subversions, 6,867 domains)