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, People & Society and 15 other categories.
Webclicktracker is leading in most countries, including United States, Canada, Philippines, Korea Republic and 16 other countries.
Fathom SEO is leading in Netherlands, Brazil and Australia.