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 35 other categories.
Testnet is leading in Autos & Vehicles, Food & Drink, Cooking & Recipes, Soccer and one other category.
Advertise.com is leading in most countries, including United States, Japan, Taiwan, Kazakhstan and 7 other countries.
Testnet is leading in Belgium.