In terms of market share, ClearSearch is clearly lagging behind, losing to Unicast in all segments.
Unicast has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, News & Media and Performing Arts.
ClearSearch hasn't got a lead over Unicast in any websites category.
ClearSearch is leading in most countries, including United States.
Unicast hasn't got a lead over ClearSearch in any country.