Nginx

Nginx (pronounced "engine X",[8] /ˌɛndʒɪnˈɛks/ EN-jin-EKS) (stylized as NGINX or nginx or NginX) is a web server which can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache. The software was created by Igor Sysoev and first publicly released in 2004.[9] A company of the same name was founded in 2011 to provide support and Nginx Plus paid software.[10]

Nginx is free and open-source software, released under the terms of the 2-clause BSD license. A large fraction of web servers use NGINX,[11] often as a load balancer.[12]

In March 2019, the Nginx company was acquired by F5 Networks for $670 million.[13]

As of February 2020, Netcraft estimated Nginx served 36.48 percent of all active websites ranked, ranking it first, above Apache at 24.51 percent,[14] while according to W3Techs, Apache is ranked first at 40.1 percent and Nginx 2nd at 31.8 percent.[15]