| Overview |
Ahrefs is a comprehensive SEO toolset known for its industry-leading backlink index and keyword research capabilities. It provides site auditing and competitive analysis tools for search marketers. |
A distributed SQL database designed for global scale with automatic data replication and strong consistency. |
| Pricing |
Paid ($99-999/mo) |
Freemium (Free-$0.50/vCPU-hour) |
| Key Features |
- Backlink analysis
- keyword research
- site audit
- rank tracking
- content explorer
- competitor analysis
- batch analysis
- SERP history
|
- Distributed SQL
- PostgreSQL compatible
- Multi-region
- Auto-scaling
- Survivability
- Geo-partitioning
- Change data capture
- Managed service
|
| Pros |
- Best backlink database
- Excellent keyword data
- Intuitive interface
- Constantly updated index
|
- Survives outages
- Global distribution
- PostgreSQL wire protocol
- Generous free tier
|
| Cons |
- Expensive
- Limited user seats
- No free tier
- API costs extra
|
- Complex for simple apps
- Can be expensive at scale
- Learning curve
- Fewer tools than PostgreSQL
|