Ahrefs

All-in-one SEO suite best known for its huge backlink index.

Ahrefs combines a backlink database, keyword research, site audits, rank tracking and content research. It is one of the two most widely used SEO suites, and its link data is a common reference point in the industry.

Key features

  • Site Explorer (backlinks & organic traffic)
  • Keywords Explorer
  • Site Audit
  • Rank Tracker
  • Content Explorer

Pros and cons

What's good

  • Very large, frequently updated backlink index
  • Clean, fast interface
  • Strong competitor research

Watch out for

  • Expensive for solo users
  • Usage limits on lower plans

Who should use Ahrefs?

Link building, competitor research and agencies that need reliable backlink data.

Comparisons

Ahrefs alternatives

See all Ahrefs alternatives

Features and pricing change often. Check the official Ahrefs website for current plans before you buy.