In terms of market share, Simple AdServer is clearly lagging behind, losing to Testnet in all segments.
Testnet has better usage coverage in more websites categories. Including Business & Industry, Shopping, People & Society, Internet & Telecom and 11 other categories.
Simple AdServer is leading in Computer & Electronics, Web Hosting, Sports, Adult and 4 other categories.
Testnet is leading in most countries, including Belgium.
Testnet is leading in Belgium.