Market Share by Top Websites

1 Zscaler is leading in Top 100K Sites.

2 In terms of market share, OpenDNS is clearly lagging behind, losing to Zscaler in all segments.

Websites Categories

1 Zscaler has better usage coverage in more websites categories. Including Business & Industry, Shopping, Autos & Vehicles, Arts & Entertainment and 21 other categories.

2 OpenDNS is leading in Internet & Telecom, Computer Security, Computer & Electronics, Career & Education and 9 other categories.


1 OpenDNS is leading in most countries, including United States, Canada, Netherlands, Brazil and 10 other countries.

2 Zscaler is leading in Sweden, Italy, Norway, Lithuania and 8 other countries.