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
Moz Pro Long-standing SEO suite and the home of Domain Authority. Free trial SE Ranking Affordable all-in-one suite with accurate rank tracking. Free trial Semrush The broadest SEO and marketing suite, from keywords to PPC and social. Freemium Serpstat Budget-friendly SEO platform with keywords, audits and tracking. Free trial
Features and pricing change often. Check the official Ahrefs website for current plans before you buy.