In terms of market share, Simple AdServer is clearly lagging behind, losing to Visible Measures in all segments.
Simple AdServer has better usage coverage in more websites categories. Including Computer & Electronics, Autos & Vehicles, Arts & Entertainment, Adult and 7 other categories.
Visible Measures is leading in Business & Industry and Marketing & Advertising.
Visible Measures is leading in most countries, including United States, United Kingdom and Kenya.
Simple AdServer is leading in Hungary and Canada.