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 8,038 live websites that are using mod_qos.

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Technology usage statistics

Websites using mod_qos 8,038 websites
Most popular in the country Switzerland
Market position in Web Server Extensions #16
Market share in Web Server Extensions 0.24%
Most popular version 11

Technology adoption

Recent changes in mod_qos usage. (See mod_qos Usage Changes report)
Websites that added mod_qos +88
Websites that dropped mod_qos -35
Websites that changed version of mod_qos 5

Distribution by websites popularity

mod_qos detection in the top websites by popularity
Top 10k sites 0 websites
Top 100k sites 8 websites
Top 1m sites 134 websites

Websites utilizing mod_qos

Top websites that use mod_qos

Domain Country Rank Contacts United States of America 14,840 United States of America 14,840 United States of America 56,517 United States of America 77,000 Germany 84,030 United States of America 88,160
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Flat price per the report, subscription is not required.

Market Share

mod_qos market share within the Web Server Extensions category

Geographical Distribution

Technology usage distribution by websites across the globe.


  • 9 (4 subversions, 75 domains)
  • 10 (10 subversions, 953 domains)
  • 11 (28 subversions, 7,010 domains)