In terms of market share, ClearSearch is clearly lagging behind, losing to Visible Measures in all segments.
Visible Measures has better usage coverage in more websites categories. Including Business & Industry and Marketing & Advertising.
ClearSearch hasn't got a lead over Visible Measures in any websites category.
Visible Measures is leading in most countries, including United States.
ClearSearch hasn't got a lead over Visible Measures in any country.