Market Share by Top Websites

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

2 In terms of market share, Slaask is clearly lagging behind, losing to Customer IO in all segments.

Websites Categories

1 Customer IO has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, Arts & Entertainment, Shopping and 95 other categories.

2 Slaask is leading in Travel, Tourism, Web Hosting, Autos & Vehicles and 22 other categories.


1 Customer IO is leading in most countries, including United States, Russia, United Kingdom, Brazil and 57 other countries.

2 Slaask is leading in France, Spain, Japan, Belgium and 35 other countries.