In terms of market share, Fathom SEO is clearly lagging behind, losing to Nextag ROI Optimizer in all segments.
Fathom SEO has better usage coverage in more websites categories. Including Business & Industry, Health, Senior Health, Computer & Electronics and 16 other categories.
Nextag ROI Optimizer is leading in Shopping, Marketing & Advertising, Sports, Home & Garden and 15 other categories.
Nextag ROI Optimizer is leading in most countries, including United States, France, Germany, Canada and 11 other countries.
Fathom SEO is leading in Belarus, China and Côte D'ivoire.