| Nginx | 2,338,165 | https://nginx.org/en |
| Apache HTTP Server | 1,721,196 | https://httpd.apache.org/ |
| LiteSpeed | 689,567 | https://litespeedtech.com |
| OpenResty | 196,816 | https://openresty.org |
| IIS | 156,418 | https://www.iis.net |
| OpenGSE | 110,956 | https://code.google.com/p/opengse |
| Tengine | 71,708 | https://tengine.taobao.org |
| Caddy | 15,959 | https://caddyserver.com |
| Phusion Passenger | 9,028 | https://phusionpassenger.com |
| Cowboy | 8,778 | https://github.com/ninenines/cowboy |
| Kestrel | 7,070 | https://docs.microsoft.com/en-us/aspnet/core/fundamentals/servers/kestrel |
| lighttpd | 5,038 | https://www.lighttpd.net |
| Apache Tomcat | 4,265 | https://tomcat.apache.org |
| EZproxy | 3,923 | https://www.oclc.org/en/ezproxy.html |
| Google Web Server | 3,865 | https://en.wikipedia.org/wiki/Google_Web_Server |
| gunicorn | 3,776 | https://gunicorn.org |
| Angie | 3,591 | https://angie.software/en/ |
| Apache Traffic Server | 3,103 | https://trafficserver.apache.org/ |
| Amazon EC2 | 3,073 | https://aws.amazon.com/ec2/ |
| Microsoft HTTPAPI | 2,690 | https://learn.microsoft.com/en-us/windows/win32/http/http-api-start-page |