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, Industrial Goods & Services and 19 other categories.
Nextag ROI Optimizer is leading in Shopping, Marketing & Advertising, Clothing, Home & Garden and 14 other categories.
Nextag ROI Optimizer is leading in most countries, including Germany, Australia, Ecuador, France and 3 other countries.
Fathom SEO is leading in United States, Hong Kong, Japan, Philippines and one other country.