Market Share by Top Websites

1 IIS is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 Despite its recent growth, Citrix NetScaler is still behind IIS in all market share segments.

Websites Categories

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

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

Geography

1 IIS is leading in most countries, including United States, China, United Kingdom, India and 156 other countries.

2 Citrix NetScaler hasn't got a lead over IIS in any country.