Backlink Checker

How it works

What we check

• Total backlinks — The total count of individual links pointing to the site, including multiple links from the same domain. A high raw number looks impressive but matters less than how many distinct domains those links come from.
• Referring domains — The number of unique websites linking to the site — the metric that actually moves the needle. Fifty links from fifty different domains is far stronger than five hundred links from one. This is the truest measure of link diversity.
• Domain authority — A 0–100 score estimating the overall strength and trust of the domain based on its link profile. It's a relative, logarithmic scale — climbing from 20 to 30 is much easier than 60 to 70 — best used to compare sites against each other.
• Spam score — An estimate (shown as a percentage) of how toxic or low-quality the link profile looks. A high spam score can signal link-scheme exposure; we flag scores above roughly 30% as worth a closer look in a full toxic-link review.
• Top referring domains — A preview of the highest-authority sites linking in, each with its own authority score, so you can see where your strongest links — or a competitor's — are coming from. The complete list is in the full audit.
• Anchor text breakdown (full audit) — The clickable text used in links pointing to the site. A natural profile mixes brand, URL and topical anchors; an over-optimized one stuffed with exact-match keywords is a classic over-optimization risk. The full breakdown is included in a complete audit.
• Toxic-link analysis (full audit) — Identifies the specific spammy or unnatural links dragging the profile down so you can disavow or remove them. Surfaced in the full audit alongside the complete referring-domain list.

Common issues we catch

• Big backlink count, few referring domains — A site with 40,000 backlinks from only 60 domains is much weaker than the raw number suggests — often it's the same site-wide footer or widget link repeated thousands of times. Always read referring domains alongside the total; diversity beats volume.
• High spam score from a toxic link profile — Networks of low-quality directories, link farms and spammy blog comments inflate your count while raising your spam score and risking a penalty. A clean profile of fewer, better links almost always outperforms a bloated, toxic one.
• Over-optimized anchor text — When too many links use the exact keyword you want to rank for as their anchor text, it looks manipulated rather than earned. Natural profiles are mostly brand names, bare URLs and varied phrases — over-optimized anchors are a common penalty trigger.
• Counts include nofollow and lost links — Not every counted backlink passes ranking value — many are nofollow, and some 'live' links have already been removed since they were last crawled. The headline number is a snapshot; the quality and current status of links matter more than the total.
• Authority scores are relative, not absolute — Domain authority is a comparison metric, not an official Google number. A 45 isn't 'half as good' as a 90 — the scale is logarithmic, so high scores are exponentially harder to reach. Use it to rank sites against each other, not as a literal grade.
• New links take time to show up — Backlink data is only as current as the last crawl of the linking page. A link you earned last week may not appear yet, and one you lost may still be listed. Profiles refresh continuously, so today's numbers are a recent snapshot, not a live tally.
• Counting your own site-wide internal links — People sometimes confuse internal links (within their own site) with backlinks (from other sites). Only links from external domains count toward your backlink profile — referring domains is the number that proves other sites actually vouch for you.

Where this matters

• Google organic search — Backlinks remain one of Google's strongest ranking signals — links from authoritative, relevant sites are votes of confidence. This profile reflects the off-site signals Google weighs when deciding how much to trust your pages.
• Competitor benchmarking — Run a competitor's domain to see how many referring domains and what authority they've built. The gap between their profile and yours is a concrete target for your link-building, and their top linkers are a list of sites worth pursuing.
• Bing & other engines — Bing and other engines use link signals much like Google does, so a strong, diverse, clean backlink profile helps your visibility across search engines, not just one.
• Digital PR & outreach — The top referring domains show which publications, blogs and resource pages already link to sites in your space — the exact targets a PR or outreach campaign should pitch to earn high-authority links of your own.
• Penalty & risk monitoring — Spam score and toxic-link analysis flag the unnatural links that can expose a site to a manual action or algorithmic suppression — the inputs you'd act on through Google's disavow process in a full cleanup.