In terms of market share, Fathom SEO is clearly lagging behind, losing to Nextag ROI Optimizer in all segments.
Nextag ROI Optimizer has better usage coverage in more websites categories. Including Shopping, Marketing & Advertising, Home & Garden, Sports and 17 other categories.
Fathom SEO is leading in Business & Industry, Senior Health, Health, Computer & Electronics and 16 other categories.
Nextag ROI Optimizer is leading in most countries, including France, Germany, Great Britain, Sweden and 7 other countries.
Fathom SEO is leading in United States, Ukraine, South Africa and Japan.