Market Share by Top Websites

1 IIS is leading in Top 100K Sites, Top 1M Sites and The Entire Web.

2 Varnish is leading in Top 10K Sites.

Websites Categories

1 IIS has better usage coverage in more websites categories. Including Computers Electronics & Technology, Science & Education, Business & Consumer Services, Finance and 20 other categories.

2 Varnish hasn't got a lead over IIS in any websites category.


1 IIS is leading in most countries, including United States, China, United Kingdom, India and 202 other countries.

2 Varnish is leading in Russia, Japan, France, Estonia and 12 other countries.