Ahrefs
The SEO tool trusted by serious marketers
Overview
Ahrefs has the largest backlink database in the industry and updates it more frequently than any competitor. For businesses serious about SEO, it's the non-negotiable tool that agencies and in-house teams alike rely on.
Beyond backlinks, Ahrefs covers every aspect of SEO — keyword research, content gap analysis, rank tracking, site auditing and competitor research. The Content Explorer lets you find the best-performing content on any topic with a few clicks.
Ahrefs has added AI features that generate content briefs, suggest title tags and meta descriptions, and help interpret data — making it more accessible to non-specialists.
Ahrefs is the gold standard for SEO tools. If organic search is part of your growth strategy, Ahrefs will tell you exactly what's working, what isn't and what your competitors are doing. The investment pays for itself quickly in better SEO decisions.
Scores
Ahrefs category scores
How it compares overall
Key features
Backlink Analysis
Largest backlink database — see every link pointing to any website.
Keyword Explorer
10 billion+ keywords with difficulty scores, traffic estimates and SERP analysis.
Competitor Research
See exactly what's driving any competitor's organic traffic.
Content Explorer
Find top-performing content on any topic by traffic, backlinks and shares.
Site Audit
Crawl your site and fix technical SEO issues affecting rankings.
Rank Tracker
Monitor keyword rankings daily with competitor comparison.
Pricing
Lite
- 1 user
- 5 projects
- 6 months history
- Core features
Standard
- 1 user
- 20 projects
- 2 years history
- Content Explorer
Advanced
- 3 users
- Unlimited projects
- Unlimited history
- API access
Pros & cons
What works
- Most comprehensive backlink database
- Excellent keyword research tools
- Content gap analysis is invaluable
- Regular data updates
- Trusted by agencies worldwide
- Strong educational resources
What to watch
- Expensive — not suitable for casual users
- Learning curve to use effectively
- No free tier — trial only
- Some data estimates can be inaccurate
How Ahrefs compares
| Feature | Ahrefs | SEMrush | Moz |
|---|---|---|---|
| Backlink Data | Best-in-class | Very Good | Good |
| Keyword Research | Excellent | Excellent | Good |
| Site Audit | Strong | Strong | Good |
| Free Tier | ✗ | Limited | Limited |
| Price | From $99 | From $99 | From $99 |
Best for
Reviewed: April 2026. Scores and pricing are checked periodically — see our methodology. Pricing can change after publication, so always confirm current plans on Ahrefs's site before buying.