AHrefs
Ahrefs is a software company that develops online SEO tools and free educational materials for marketing professionals.

Features
Ahrefs all-in-one SEO toolset can help users with:
- Competitor research: unveil competitor's organic keywords, backlink strategies and PPC keywords
- Link Building: find the strongest backlink opportunities in a niche
- Keyword Research: get maximum relevant keyword ideas and see how hard it would be to rank
- Website Audit: find what SEO issues a website has and learn how to fix them
- Content Research: discover the most popular content on any topic and find the best ideas for content
- Rank Tracking: track search rankings along with competitors'
- Mentions Monitoring: get email alerts every time a brand is mentioned online.
- The vendor states the Ahrefs database has 8 billion keywords and 421 billion indexed pages, and that this enables Ahrefs is able to provide maximum data and accuracy to its users.
Pros:
- - Linkbuilding campaigns
- General SEO resultts
- Content marketing results
- Competitor research
Cons:
- - Price
- Finding Lsi Keywords
- DR and UR metric to measure website performance
- Traffic values and Anchor text
- Referring domain and Ahrefs own Crawler Rank
Price:
Lite: $99.00
Standard: $199.00
Advanced: $399.00
Enterprise: #999.00