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.



We have discovered 17,422 live website that are using ATS.

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Technology usage statistics

Websites using ATS 17,422 websites
Most popular in the country United States of America
Market position in Web Servers #14
Market share in Web Servers 0.18%
Most popular version 7.1.2

Technology adoption

Recent changes in ATS usage. (See ATS Usage Changes report)
Websites that added ATS +398
Websites that dropped ATS -210
Websites that changed version of ATS 198

Distribution by websites popularity

Apache Traffic Server detection in the top websites by popularity
Top 10k sites 55 websites
Top 100k sites 227 websites
Top 1m sites 3,018 websites

Websites utilizing Apache Traffic Server

Top websites that use ATS

Domain Country Rank Contacts
apple.com United States of America 58
commons.wikimedia.org United States of America 124
yahoo.com United States of America 132
www.yahoo.com United States of America 132
huffingtonpost.com United States of America 137
fr.wikipedia.org United States of America 172
See full domain list
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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 (78.37%)
  • 8.1.1 (10.55%)
  • 8.0.8 (3.55%)
  • 7.1.11 (2.21%)
  • 6.2.0 (1.31%)
  • 8.1.2 (0.61%)
  • 5.0.1 (0.60%)
  • 7.1.6 (0.41%)
  • 5.3.1 (0.37%)
  • 6.2.2 (0.34%)

See all 36 versions ...

Apache Traffic Server often used together with


Category - Uncategorized.
P3P is used together with ATS on 13,738 domains. Total 419,591 domains found using P3P
Category - Certificate Authority.
DigiCert is used together with ATS on 11,129 domains. Total 393,979 domains found using DigiCert
Category - Document Standards.
JavaScript is used together with ATS on 10,925 domains. Total 6,050,225 domains found using JavaScript
Category - Name Server.
Yahoo DNS is used together with ATS on 9,767 domains. Total 13,056 domains found using Yahoo DNS
Category - Web Mail.
Yahoo Business Email is used together with ATS on 9,169 domains. Total 13,277 domains found using Yahoo Business Email
Category - Widgets.
Lexity is used together with ATS on 8,154 domains. Total 8,578 domains found using Lexity


Alternative Technologies


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Apache Tomcat: Total 31,281 domains found using Apache Tomcat
Apple Http Server: Total 132 domains found using Apple Http Server
BaseHTTP: Total 66 domains found using BaseHTTP
Boa: Total 32 domains found using Boa
bytex: Total 73 domains found using bytex
Caddy: Total 7,663 domains found using Caddy