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, Shopping, Construction & Maintenance and 17 other categories.
Fathom SEO is leading in Health, Senior Health, Computer & Electronics, People & Society and 13 other categories.
Webclicktracker is leading in most countries, including United States, China, India, Russia and 8 other countries.
Fathom SEO is leading in Germany.