In terms of market share, Advertise.com is clearly lagging behind, losing to Testnet in all segments.
Advertise.com has better usage coverage in more websites categories. Including Health, Products & Shopping, Business & Industry, Shopping and 43 other categories.
Testnet is leading in Autos & Vehicles, Automotive Industry, Soccer, Pets and 3 other categories.
Advertise.com is leading in most countries, including United States, Japan, Canada, China and 9 other countries.
Testnet is leading in Belgium.