A flexible & easy-to-manage web server... Internet Information Services (IIS) for Windows® Server is a flexible, secure and manageable Web server for hosting anything on the Web. From media streaming to web applications, IIS's scalable a...
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
nginx is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.
In terms of market share, IIS is clearly lagging behind, losing to nginx in all segments.
nginx has better usage coverage in more websites categories. Including Computers Electronics & Technology, Science & Education, Arts & Entertainment, Health and 20 other categories.
IIS hasn't got a lead over nginx in any websites category.
nginx is leading in most countries, including United States, Russia, Japan, China and 162 other countries.
IIS hasn't got a lead over nginx in any country.