In terms of market share, Fathom SEO is clearly lagging behind, losing to Klaustech in all segments.
Fathom SEO has better usage coverage in more websites categories. Including Business & Industry, Health, Senior Health, Industrial Goods & Services and 21 other categories.
Klaustech is leading in Arts & Entertainment, Soccer, Sports, News & Media and 3 other categories.
Klaustech is leading in most countries, including United Kingdom and France.
Fathom SEO is leading in United States.