In terms of market share, AdvertiseSpace is clearly lagging behind, losing to Testnet in all segments.
AdvertiseSpace has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Internet & Telecom, Computer & Electronics and 78 other categories.
Testnet is leading in Pets & Animals, Pets, Automotive Industry, Beauty & Fitness and one other category.
AdvertiseSpace is leading in most countries, including India, United Kingdom, Canada, Germany and 52 other countries.
Testnet hasn't got a lead over AdvertiseSpace in any country.