In terms of market share, Fathom SEO is clearly lagging behind, losing to Quisma in all segments.
Quisma has better usage coverage in more websites categories. Including People & Society, Shopping, Arts & Entertainment, Business & Industry and 54 other categories.
Fathom SEO is leading in Health, Senior Health, Industrial Goods & Services, Construction & Maintenance and 4 other categories.
Quisma is leading in most countries, including Germany, Poland, United Kingdom, Italy and 24 other countries.
Fathom SEO is leading in United States.