What is Ahrefs

What it does

Ahrefs crawls the web, indexes links and keywords, and surfaces the data through focused explorers.

• Site Explorer: backlink profiles, referring domains, anchor text and organic keyword estimates for any domain.
• Keywords Explorer: search volumes, keyword difficulty and SERP analysis across many search engines.
• Site Audit: a technical crawler flagging on-page and crawl issues.
• Content Explorer: a searchable index of pages for content and link-prospecting research.
• Rank Tracker plus alerts for new and lost backlinks.

Where it fits in your stack

Ahrefs is the competitive-intelligence and link-research layer. Where Search Console tells you about your own site, Ahrefs lets you analyse competitors — their links, their ranking keywords and their content — which is exactly the data you cannot get from Google directly. Many teams run Ahrefs alongside Semrush and pick the winner per task.

Strengths and limits

Strength: best-in-class backlink index for size and freshness, a clean UI, and reliable keyword data. Limit: no free plan, pricing that scales awkwardly for agencies, credit limits on rows exported, and — like all third-party tools — traffic and keyword figures are estimates, not Google-accurate numbers.

How REO Rank uses it

We use Ahrefs as our primary tool for backlink audits, competitor link-gap analysis and link-building prospecting. For keyword research and content planning we cross-check it against Semrush and Search Console so we are never trusting a single estimate.

Why it matters

Ahrefs is one of the leading commercial SEO toolsets, best known for its backlink index — historically one of the largest and most-cited in the industry — and widely used for competitor analysis, keyword research, rank tracking and site audits. It matters because much of SEO requires data Google does not give you about competitors and the wider market: who links to whom, what competitors rank for, how keywords trend, and where the opportunities are. Ahrefs (alongside rivals like Semrush) is how practitioners get that third-party market intelligence to complement the first-party data in Search Console.

• A leading commercial SEO suite, best known for its large backlink index
• Used for competitor analysis, keyword research, rank tracking and audits
• Provides the third-party market intelligence Search Console cannot

What it is used for

Ahrefs' core strengths are backlink analysis — inspecting any site's link profile, finding link opportunities and monitoring your own — and competitive research, seeing the keywords and pages driving competitors' traffic so you can find gaps to target. It also offers keyword research with difficulty and volume estimates, rank tracking, and a site-audit crawler for technical issues. Its metrics (like Domain Rating and URL Rating) are widely used industry shorthands. The key caveat, as with all such tools, is that its traffic and ranking figures are estimates derived from its own crawling and modelling, not exact Google data — invaluable for direction and comparison, but not ground truth for your own site.

• Backlink analysis: your own and competitors' link profiles and opportunities
• Competitive research: competitors' ranking keywords and top pages
• Keyword research (volume, difficulty), rank tracking and site auditing
• Its traffic/ranking figures are estimates, not exact Google data

In practice

A common Ahrefs workflow is competitor gap analysis — pulling the keywords and backlinks competitors have that you do not, to build a target list — plus backlink prospecting and monitoring, and periodic site audits to catch technical issues. Its data guides strategy: where to build links, which content gaps to fill, which competitors are gaining or losing. The discipline is to treat its estimates as directional (excellent for comparison and prioritisation) while trusting Search Console for your own site's actual performance. For most serious SEO teams, a tool like Ahrefs or Semrush is essential market-intelligence infrastructure alongside Google's own free tools.

• Competitor gap analysis for keyword and backlink targets
• Backlink prospecting, monitoring and site auditing
• Guides link-building and content-gap strategy
• Use its estimates directionally; trust Search Console for your own numbers