🆚 mod_qos vs. PageSpeed
PageSpeed is much more popular than mod_qos.- PageSpeed is more popular in all countries.
mod_qos is particularly popular in Spain.
Type
About
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.
An open-source web server module for rewriting web pages to reduce latency and bandwidth, available for Apache and 
Nginx.
Headquarters
GitHubPricing
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
- 🥇 Most popular in Ukraine in the Web Server Modules category.
- 🥇 Most popular in Poland in the Web Server Modules category.
- 🥇 Most popular in Croatia in the Web Server Modules category.
- 🥈 Second most popular in Japan in the Web Server Modules category.
- 🥈 Second most popular in the United States 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.
Google company profile🗃️ 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 4,046,631 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.