mod_qos

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.

According to our data, mod_qos ranks 13th among the web server modules we track.
It has 0.4% of the web server module market share and is present on 0.006% of all websites.

It is especially popular in Spain, appearing on 0.05% of all websites in the country.

Statistics based on 4M+ analyzed websites. About this data

💸 Pricing

mod_qos is available for free.

Free ✔️ Open source

📊 Rankings and Market Share

⚡ Sites Using Mod_qos

We have data on 250 websites that use the mod_qos web server module. Here is a list of some of the top ranked ones.

The highest rated site using mod_qos is hellowork.careers.

#WebsiteRankCountryLanguage
1 hellowork.careers #29,080 Japan Japanese
2 tabasco.gob.mx #29,249 Mexico Spanish
3 ncpedia.org #50,148 United States English
4 docking.org #57,281 United States English
5 numisbids.com #68,080 United States English
6 xcast.com.br #71,380 Brazil Brazilian Portuguese
7 repmart.jp #79,000 Japan Japanese
8 schulamt-bw.de #80,065 Germany German
9 bildungsplaene-bw.de #80,116 Germany German
10 morekorea.net #112,362 Korea Japanese
11 putevi-srbije.rs #121,813 Serbia Serbian
12 coinarchives.com #136,401 United States English
13 sbgg.org.br #137,096 Brazil Brazilian Portuguese
14 verfassungsschutz-bw.de #158,789 Germany German
15 onb.digital #162,903 Austria German
16 landwirtschaft-bw.de #182,369 Germany German
17 mavir.hu #184,121 Hungary Hungarian
18 aspb.cat #202,155 Spain Catalan
19 harmonyjapan.com #213,316 Japan Japanese
20 seminare-bw.de #213,597 Germany German

📈 Usage Statistics

Most of the sites that use mod_qos:

Most of the sites using mod_qos are from Spain, Czechia, and Germany.

  • Spain 19.8%
  • Czechia 13.3%
  • Germany 9.7%
  • United States 8.9%
  • Italy 7.7%
  • Brazil 6.5%
  • Netherlands 4.8%
  • Switzerland 4.8%
  • China 2.8%
  • Other 21.7%

Most mod_qos users speak English, German, or Czech.

  • English 23%
  • German 17.4%
  • Czech 13.2%
  • Basque 11.5%
  • Spanish 6.4%
  • Portuguese 6%
  • French 3.4%
  • Japanese 2.6%
  • Dutch 2.6%
  • Other 13.9%

The mod_qos web server module is especially popular on .com, .cz, and .eus top-level domains.

  • .com 19.2%
  • .cz 12.8%
  • .eus 12.4%
  • .de 9.2%
  • .org 6.4%
  • .it 6.4%
  • .org.br 3.2%
  • .net 2.8%
  • .es 2.8%
  • Other 24.8%

The primary market segments for websites utilizing mod_qos include education and reference, business, and marketing and merchandising.

  • Education/Reference 14.6%
  • Business 12.2%
  • Marketing/Merchandising 9.8%
  • Software/Hardware 9.8%
  • Entertainment 7.3%
  • Technical Information 7.3%
  • Blogs/Wiki 4.9%
  • Portal Sites 4.9%
  • Government/Military 4.9%
  • Other 24.3%

🔢 Mod_qos Versions

The most common version of Mod_qos is 11.74, used by 41.6% of sites where versions were detected. In addition, 31.2% of sites use Mod_qos 11.70, and 5.6% use Mod_qos 11.5.

  • 11.74 41.6%
  • 11.70 31.2%
  • 11.5 5.6%
  • 11.66 5.6%
  • 11.76 3.6%
  • 11.79 3.2%
  • 11.64 2.4%
  • 10.10 2%
  • 11.61 0.8%
  • Other 4%

🕵️ Similar Technologies

These are some of the best mod_qos alternatives.

RankName
3
mod_fcgid
Wilmington, Delaware, United States

A FastCGI module for the Apache HTTP Server.

FreeOpen source
4
mod_aclr2
Lafayette, Colorado, United States

An Apache web server module that automates serving static content with NGINX as a reverse proxy.

FreeOpen source
9
mod_jk
Wilmington, Delaware, United States

A module designed to forward requests from Apache to the Tomcat web server to run Java-based web applications.

FreeOpen source
12
mod_fastcgi

A third-party module for the Apache web server that enables the FastCGI protocol for communicating with applications that generate dynamic content for web pages.
15
mod_apreq2
Wilmington, Delaware, United States

An Apache HTTP Server filter module that connects the libapreq2 request parsing library into the server.

FreeOpen source

🆚 Compare Alternatives

Compare mod_qos to…

💬 Frequently Asked Questions

Can I use mod_qos for free?

Yes, it is a free web server module.

Which country uses mod_qos the most?

The majority of mod_qos users are from Spain.

Who uses mod_qos?

According to our data, mod_qos is used on hundreds of sites, including such established ones as hellowork.careers, tabasco.gob.mx, and ncpedia.org.

How does mod_qos compare to its competitors?

mod_qos is a moderately popular web server module, ranking ahead of 11 other web server modules we track.

What are the alternatives to mod_qos?

Alternatives and possible competitors to mod_qos may include mod_fcgid, mod_aclr2, and mod_jk.

👉 See Also

🗃️ About This Data