Ahrefs is widely considered the most powerful commercial SEO platform, but its paid plans are expensive for small sites and individual SEOs. What many people do not know is that Ahrefs Webmaster Tools — the free tier available to all verified site owners — provides genuinely substantial functionality including complete backlink data for your own domain, Core Web Vitals monitoring, and site audit capabilities.
Setting Up Ahrefs Webmaster Tools
Go to ahrefs.com/webmaster-tools and sign up with a free account. You must verify ownership of your domain — the same verification methods as Google Search Console (HTML file, DNS record, or meta tag) work here. Once verified, you get access to all the free features for that specific domain indefinitely.
What You Get Free
Complete backlink data for your own domain. Full referring domain count, all backlinks with anchor text, DR scores for linking domains, and lost/new backlink history. This is identical data to what paying customers see for their own sites — no limitations. Use this alongside our anchor text analyser to monitor your complete backlink profile health.
Site Audit. Crawls up to 5,000 pages monthly and reports on technical SEO issues — broken links, missing meta tags, duplicate content, slow pages, and more. As we covered in our guide to full SEO audits, this level of automated technical checking is typically a paid feature on other platforms.
Organic keywords for your own domain. See which keywords your site ranks for, their positions, estimated traffic, and keyword difficulty. This gives you the keyword portfolio view that paid tools charge for.
Backlink alerts. Email notifications when your domain earns or loses backlinks — essential for monitoring as covered in our guide to negative SEO defence.
What You Do Not Get Free
The free tier does not include: competitor backlink data (you can only see data for your verified domains), keyword research for arbitrary queries, content gap analysis between you and competitors, or rank tracking for keywords. For competitor research, combine Ahrefs free with the methods covered in our guide to competitor backlink analysis using Moz Link Explorer's free searches.
Maximising the Free Tier
Run the Site Audit monthly and work through its issue list systematically. The audit findings combined with our broken link checker cover the vast majority of technical SEO issues you need to monitor. Export your backlink data monthly and check anchor text distribution — any sudden changes in the distribution indicate new link activity worth investigating.
Use the organic keywords report quarterly to identify ranking opportunities. Pages ranking in positions 5–15 with significant search volume are your priority improvement targets — as we covered in our guide to tracking rankings free, these near-page-one positions have the highest marginal value for SEO investment.
Summary
Ahrefs Webmaster Tools free tier provides complete backlink data, monthly site audits, organic keyword data, and backlink alerts for your verified domains. It is the most generous free SEO tool tier available and covers the most important monitoring needs without any payment. Set it up alongside Google Search Console and our free tools for a comprehensive free SEO monitoring stack.
Missed the previous article? Read: What Is Search Intent and How to Perfectly Match It Every Time