In terms of market share, Fathom SEO is clearly lagging behind, losing to XA.net in all segments.
XA.net has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Food & Drink, Cooking & Recipes and 50 other categories.
Fathom SEO is leading in Senior Health, Industrial Goods & Services, Web Design, Consumer Electronics and 6 other categories.
XA.net is leading in most countries, including Canada, United States, India, United Kingdom and 40 other countries.
Fathom SEO hasn't got a lead over XA.net in any country.