aHrefs
Website:
Deployment:
Pricing options:
Min. price:
99 $
API:
Yes
Ahrefs is a tool “to grow your search traffic, research your competitors and monitor your niche”. It contains several useful features, i.e. competitive analysis, keyword explorer, backlinks and content research, rank tracking and web monitoring. Their statistics say it all: 5 billion pages crawled every day, 16 trillion known links, 170 million root domains and much more.
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Whitelabel:
Yes
Ahrefs is one of the SEO tools I can't imagine working without — it works for any country and has a number of useful features — if you can't afford more than one tool, get Ahrefs!
AHrefs is a well-known leader in professional SEO tools. There's no doubt about it. I'm talking not only about backlinks but all tools included in Ahrefs. Yeah, it may seem a bit expensive, but believe me, it worth every dollar you pay. It has no free trial, but this disadvantage is small, just try it. I can't see alternatives for Ahrefs nowadays.