Category - Web Servers

ESF is a proprietary web server software that Google uses for its web infrastructure

Technology usage statistics

Websites using ESF 5,998 websites
Most popular in the country United States of America
Market position in Web Servers #22
Market share in Web Servers <0.1%

Technology adoption

Recent changes in ESF usage. (See ESF Usage Changes report)
Websites that added ESF +51
Websites that dropped ESF -228

Distribution by websites popularity

ESF detection in the top websites by popularity
Top 10k sites 74 websites
Top 100k sites 188 websites
Top 1m sites 504 websites

Websites utilizing ESF

Top websites that use ESF

Domain Country Rank Contacts United States of America 1 United States of America 12 United States of America 17 United States of America 19 United States of America 27 United States of America 29
See full domain list

Market Share

ESF market share within the Web Servers category

Geographical Distribution

Technology usage distribution by websites across the globe.

Technology Information

ESF often used together with

Category - Document Encoding.
UTF-8 is used together with ESF on 5,764 domains. Total 8,853,308 domains found using UTF-8
Category - Mobile.
Viewport Meta is used together with ESF on 5,676 domains. Total 5,033,722 domains found using Viewport Meta
Category - Document Standards.
JavaScript is used together with ESF on 4,873 domains. Total 6,741,983 domains found using JavaScript
Category - Font Scripts.
Google Font API is used together with ESF on 4,855 domains. Total 2,547,966 domains found using Google Font API
Category - Document Standards.
HTML5 Tags is used together with ESF on 4,854 domains. Total 4,452,760 domains found using HTML5 Tags
Category - Document Standards.
X-UA-Compatible is used together with ESF on 4,822 domains. Total 2,380,267 domains found using X-UA-Compatible

Alternative Technologies

Amazon EC2: Total 34,068 domains found using Amazon EC2
AOLserver: Total 88 domains found using AOLserver
Apache: Total 3,886,540 domains found using Apache
Apache Tomcat: Total 24,464 domains found using Apache Tomcat
ATS: Total 18,617 domains found using ATS
Apple Http Server: Total 126 domains found using Apple Http Server
bytex: Total 74 domains found using bytex
Caddy: Total 6,655 domains found using Caddy
Centminmod: Total 4,013 domains found using Centminmod
Cherokee: Total 109 domains found using Cherokee