🆚 mod_jk vs. mod_qos
- 📈 mod_jk is four times more popular than mod_qos.
- 🌎 mod_jk is more popular in Korea, the United States, and Italy.
- 🌍 mod_qos is more popular in Spain, Germany, and the Czech Republic.
mod_jk
mod_qosType
About
mod_jk is a module designed to forward requests from Apache to the Tomcat web server to run 
Java-based web applications.
mod_qos is a quality of service (QoS) module for the Apache web server that implements configurable control mechanisms to prioritize and manage HTTP requests to preserve server resources under load.
It offers limits on concurrent requests per URL or IP, per-second request rate caps, VIP user rules, and request blocking, delay, throttling, and connection dropping to avoid overload and mitigate traffic spikes.
Headquarters
Pricing
Categories
Popularity
Determined by the number of sites using each technology.
Market share
Popularity by country
Determined by the number of sites detected from each country.
Awards
- 🥈 Second most popular in Korea in the Web Server Modules category.
- ⭐ 4th most popular in Switzerland in the Web Server Modules category.
- ⭐ 5th most popular in Italy in the Web Server Modules category.
Popularity by domain category
Determined by the number of sites in each category.
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
🗃️ 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 3,866,278 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.