In terms of market share, Testnet is clearly lagging behind, losing to Vertical Acuity in all segments.
Testnet has better usage coverage in more websites categories. Including Food & Drink, Cooking & Recipes, Travel, Autos & Vehicles and 3 other categories.
Vertical Acuity is leading in Arts & Entertainment, TV & Video, Movies, Sports and one other category.
Vertical Acuity is leading in most countries, including United States, United Kingdom, India and Canada.
Testnet is leading in Belgium.