Market Share by Top Websites

1 Acerno is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, Fathom SEO is clearly lagging behind, losing to Acerno in all segments.

Websites Categories

1 Acerno has better usage coverage in more websites categories. Including People & Society, Religion & Spirituality, Computer & Electronics, Software and 70 other categories.

2 Fathom SEO is leading in Industrial Goods & Services, Senior Health, Construction & Maintenance, Beauty & Fitness and 3 other categories.


1 Acerno is leading in most countries, including United States, Russia, Italy, United Kingdom and 17 other countries.

2 Fathom SEO is leading in Hungary, Japan, Philippines and Germany.