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, Fathom SEO 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 67 other categories.

2 Fathom SEO is leading in Industrial Goods & Services, Health, Senior Health, Construction & Maintenance and 6 other categories.


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

2 Fathom SEO is leading in United States and Japan.