In terms of market share, Fathom SEO is clearly lagging behind, losing to Webclicktracker in all segments.
Webclicktracker has better usage coverage in more websites categories. Including Business & Industry, Industrial Goods & Services, Construction & Maintenance, Shopping and 19 other categories.
Fathom SEO is leading in Senior Health, Health, Computer & Electronics, Fitness and 15 other categories.
Webclicktracker is leading in most countries, including United States, Canada, China, United Kingdom and 14 other countries.
Fathom SEO is leading in France.