Market Share by Top Websites

1 Zscaler is leading in Top 100K Sites and Top 1M 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, Autos & Vehicles, Automotive Industry, Shopping and 10 other categories.

2 OpenDNS is leading in Internet & Telecom, Computer & Electronics, Computer Security, Search Engine and 4 other categories.


1 OpenDNS is leading in most countries, including United States, Germany, Colombia, France and 6 other countries.

2 Zscaler is leading in Sweden, Italy, Poland, Norway and 4 other countries.