Apache Traffic Server

Category - Web Servers Reverse Proxy

The Apache Traffic Server (ATS) is a high-performance reverse proxy and forward proxy server. Formerly a commercial product, Yahoo! donated ATS to the Apache Foundation, and it is currently used by several major CDNs and content owners.

Technology usage statistics

Websites using ATS 18,617 websites
Most popular in the country United States of America
Market position in Web Servers #15
Market share in Web Servers 0.19%
Most popular version 7.1.2

Technology adoption

Recent changes in ATS usage. (See ATS Usage Changes report)
Websites that added ATS +990
Websites that dropped ATS -639
Websites that changed version of ATS 1,905

Distribution by websites popularity

Apache Traffic Server detection in the top websites by popularity
Top 10k sites 51 websites
Top 100k sites 243 websites
Top 1m sites 3,037 websites

Websites utilizing Apache Traffic Server

Top websites that use ATS

Domain Country Rank Contacts
apple.com United States of America 58
yahoo.com United States of America 132
www.yahoo.com United States of America 132
huffingtonpost.com United States of America 137
finance.yahoo.com United States of America 191
groups.yahoo.com United States of America 295
See full domain list

Market Share

ATS market share within the Web Servers category

Geographical Distribution

Technology usage distribution by websites across the globe.






Alternative Names

  • ATS

Versions (by popularity)

  • 7.1.2 (80.41%)
  • 8.1.0 (10.45%)
  • 7.1.11 (2.29%)
  • 6.2.0 (1.30%)
  • 8.0.8 (1.28%)
  • 5.0.1 (0.55%)
  • 8.1.1 (0.49%)
  • 9.0.0 (0.47%)
  • 7.1.6 (0.46%)
  • 6.2.2 (0.42%)

See all 36 versions ...

Apache Traffic Server often used together with


Category - Uncategorized.
P3P is used together with ATS on 13,940 domains. Total 419,726 domains found using P3P
Category - Document Standards.
JavaScript is used together with ATS on 11,753 domains. Total 6,741,983 domains found using JavaScript
Category - Document Encoding.
UTF-8 is used together with ATS on 8,662 domains. Total 8,853,308 domains found using UTF-8
Category - Document Standards.
Description Meta is used together with ATS on 5,931 domains. Total 3,705,311 domains found using Description Meta
Category - Mobile.
Viewport Meta is used together with ATS on 4,426 domains. Total 5,033,722 domains found using Viewport Meta
Category - Document Standards.
HTML5 Tags is used together with ATS on 3,971 domains. Total 4,452,760 domains found using HTML5 Tags


Alternative Technologies


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Cherokee: Total 109 domains found using Cherokee
Cloudflare Server: Total 868,369 domains found using Cloudflare Server