Reviewers largely see Ahrefs as a strong SEO research tool, especially for backlink analysis, keyword research, competitor tracking, site audits, and content planning. Many praise its large backlink index, reliable data, useful explorers, and clean interface, and some say they use it daily for rankings, technical issues, and link building. The main complaint is cost: many call it expensive for freelancers, small teams, or agencies, and one long-time user says the newer pricing model pushed them to quit. Learning some advanced features can also take time.