Ahrefs FAQ
How large is Ahrefs' backlink database?
Answer
Ahrefs has the largest backlink index in the industry with over 35 trillion known links, 271 billion indexed pages, and data from 200+ million root domains. The crawler processes 8 billion pages daily, making it one of the most active web crawlers after Google. The index updates every 15-30 minutes for new and lost links.
About Ahrefs
Ahrefs is the leading tool for SEO professionals, offering a comprehensive suite of features to help optimize websites and improve search engine rankings.