nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
Varnish is an HTTP accelerator designed for content-heavy dynamic web sites. In contrast to other web accelerators, such as Squid, which began life as a client-side cache, or Apache and nginx, which are primarily origin servers, Varnish was...
nginx is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.
In terms of market share, Varnish 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.
Varnish 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.
Varnish hasn't got a lead over nginx in any country.