🆚 mod_aclr vs. mod_qos
- 📈 mod_qos is much more popular than mod_aclr.
- 🌍 mod_qos is more popular in all countries.
- ⭐ mod_aclr is particularly popular in Russia.
mod_aclrType
About
mod_aclr is an Apache 1.3.x module designed to serve static files efficiently when Apache is used behind 
Nginx in a combined Nginx-Apache setup.
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
- ⭐ 6th most popular in Switzerland in the Web Server Modules category.
- ⭐ 7th most popular in the Czech Republic in the Web Server Modules category.
- ⭐ 10th most popular in Spain in the Web Server Modules category.
- 🔥 12nd most popular in Germany 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.
mod_fcgid
mod_jk🗃️ 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 3,511,216 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.