Market Share by Top Websites

1 Zscaler is leading in Top 100K Sites and Top 1M Sites.

2 OpenDNS is leading in Top 10K Sites.

Websites Categories

1 Zscaler has better usage coverage in more websites categories. Including Business & Industry, Autos & Vehicles, Industrial Goods & Services, Health and 10 other categories.

2 OpenDNS is leading in Internet & Telecom, Adult, Career & Education, Education and 4 other categories.


1 OpenDNS is leading in most countries, including United States, United Kingdom, Canada, China and 5 other countries.

2 Zscaler is leading in Sweden, Italy, Belgium, Poland and 2 other countries.