Category - Web Servers

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

Technology usage statistics

Websites using ESF 5,584 websites
Most popular in the country United States of America
Market position in Web Servers #20
Market share in Web Servers <0.1%

Technology adoption

Recent changes in ESF usage. (See ESF Usage Changes report)
Websites that added ESF +24
Websites that dropped ESF -85

Distribution by websites popularity

ESF detection in the top websites by popularity
Top 10k sites 72 websites
Top 100k sites 183 websites
Top 1m sites 461 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 5,348 domains. Total 8,486,158 domains found using UTF-8
Category - Document Standards.
JavaScript is used together with ESF on 4,472 domains. Total 6,425,165 domains found using JavaScript
Category - Document Standards.
HTML5 Tags is used together with ESF on 4,468 domains. Total 4,203,578 domains found using HTML5 Tags
Category - Font Scripts.
Google Font API is used together with ESF on 4,465 domains. Total 2,404,031 domains found using Google Font API
Category - Widgets.
Google Plus is used together with ESF on 4,427 domains. Total 85,426 domains found using Google Plus
Category - Analytics.
Google Analytics is used together with ESF on 3,549 domains. Total 1,599,664 domains found using Google Analytics

Alternative Technologies

Amazon EC2: Total 32,689 domains found using Amazon EC2
AOLserver: Total 91 domains found using AOLserver
Apache: Total 3,751,803 domains found using Apache
Apache Tomcat: Total 23,618 domains found using Apache Tomcat
ATS: Total 18,764 domains found using ATS
Apple Http Server: Total 122 domains found using Apple Http Server
bytex: Total 72 domains found using bytex
Caddy: Total 5,913 domains found using Caddy
Cherokee: Total 103 domains found using Cherokee
Cloudflare Server: Total 837,410 domains found using Cloudflare Server