Ahrefs is an SEO SaaS product used primarily for digital marketing audits, keyword research, and competitor and backlinks analysis.

Its key capabilities include:

  • Organic keyword tracking to uncover highest traffic keywords and optimize content strategies
  • Backlink analysis to identify link building opportunities and benchmark domains against competitors
  • Content gap analysis determining missing pages compared to competitors
  • Rank tracking for desktop and mobile search rankings in Google and other search engines
  • Clickstream data extraction and analysis for understanding visitor behaviors
  • Site explorer for discovering a domain's entire structure and new link prospects

Based in Singapore, Ahrefs was founded by Dmytro Gerasymenko as “a SaaS project that helps online marketers get more traffic from search engines.” [Source: AIN Capital]

“Data quality,” is their main competitive advantage per Gerasymenko. A recent Authority Hacker article, based on a small sample size, found that Ahrefs' traffic estimates were the most accurate in the field.