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, Shopping, Arts & Entertainment and 92 other categories.

2 Slaask is leading in Travel, Tourism, Transportation & Logistics, Web Hosting and 19 other categories.


1 Customer IO is leading in most countries, including United States, Germany, Russia, United Kingdom and 49 other countries.

2 Slaask is leading in France, Spain, Japan, Australia and 22 other countries.