Category - Web Servers

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

We have discovered 71,476 live websites that are using ESF.

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Technology usage statistics

Websites using ESF71,476 websites
Most popular in the country US
Market position in Web Servers#23
Market share in Web Servers<0.1%

Technology adoption

Recent changes in ESF usage. (See ESF Usage Changes report)
Websites that added ESF+2,259
Websites that dropped ESF-1,605

Distribution by websites popularity

ESF detection in the top websites by popularity
Top 10k sites83 websites
Top 100k sites387 websites
Top 1m sites940 websites

Websites utilizing ESF

Top websites that use ESF

See full domain list
Flat price per the report, subscription is not required.

Market Share

ESF market share within the Web Servers category

Geographical Distribution

Technology usage distribution by websites across the globe.

Alternative Technologies

Nginx: Total 34,207,452 domains found using Nginx
Apache: Total 30,690,408 domains found using Apache
Cloudflare Server: Total 7,014,010 domains found using Cloudflare Server
IIS: Total 5,801,234 domains found using IIS
OpenResty: Total 5,047,958 domains found using OpenResty
LiteSpeed: Total 3,653,420 domains found using LiteSpeed
Pepyaka: Total 1,681,235 domains found using Pepyaka
Microsoft HTTPAPI: Total 1,139,214 domains found using Microsoft HTTPAPI
Cowboy: Total 440,125 domains found using Cowboy
GHS: Total 312,123 domains found using GHS

Technology Information