Market Share by Top Websites

1 Questback is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.

2 In terms of market share, AdBull is clearly lagging behind, losing to Questback in all segments.

Websites Categories

1 Questback has better usage coverage in more websites categories. Including People & Society, Business & Industry, Arts & Entertainment, Internet & Telecom and 53 other categories.

2 AdBull is leading in News & Media, Computer & Electronics, Software, Technology News and 24 other categories.


1 Questback is leading in most countries, including Sweden, Norway, Denmark, United States and 30 other countries.

2 AdBull is leading in Sri Lanka, Indonesia, Mexico, Brazil and one other country.