In terms of market share, Fathom SEO is clearly lagging behind, losing to Knowledge Networks in all segments.
Fathom SEO has better usage coverage in more websites categories. Including Business & Industry, Health, Senior Health, Industrial Goods & Services and 18 other categories.
Knowledge Networks is leading in People & Society, News & Media, Food & Drink, Arts & Entertainment and 10 other categories.
Fathom SEO is leading in most countries, including United States, India, Japan and South Africa.
Knowledge Networks is leading in Canada and Gabon.