🆚 mod_jk vs. mod_qos

Compare technologies based on real-world usage data *

Type

Web server module
Web server module

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

Wilmington, Delaware, United States

Website

Pricing

Free ✔️Open source
Free ✔️Open source

Categories

Web Server Modules › Rank #9
Web Server Modules › Rank #14

Popularity

Determined by the number of sites using each technology.

The mod_jk web server module is 5 times more popular than mod_qos.
Total websites

Market share

Web Server Modules

Popularity by country

Determined by the number of sites detected from each country.

mod_jk is more popular in Korea, the United States, and Spain, while mod_qos is more popular in the Czech Republic, Romania, and Belgium.
Korea
United States
Spain
Switzerland
Italy
Germany
China
Czech Republic
United Kingdom
France

Awards

Popularity by domain category

Determined by the number of sites in each category.

mod_jk is more popular among sites focused on business, education and reference, and marketing and merchandising, while mod_qos is more commonly used on software and hardware, blogs and wiki, and technical information sites.
Business
Education/Reference
Marketing/Merchandising
Software/Hardware
Health
Internet Services
Public Information
Online Shopping
Government/Military
Travel

Top sites

Top-ranked sites that use these technologies.

Name
Rank
#6,453
#6,937
#12,274
View more ➝
Name
Rank
#49,165
View more ➝

See also

* According to recent studies, many of online reviews are fake.
When making your decision, it is better to rely on data that cannot be falsified.
Our service evaluates the popularity of technologies by the number of websites using them.

Statistics were last calculated on .
For details, see our methodology and disclaimer.