Backlink Checker
Enter any domain and see who is linking to it — referring domains, total backlinks, the dofollow/nofollow split, and the anchor text patterns that shape how search engines interpret those links.
What This Tool Checks
A backlink profile tells you as much about a site's authority as its own content does — this scan surfaces the key patterns.
Referring Domains
See the unique domains linking to a site, which matters more for authority than raw backlink count.
Dofollow vs Nofollow
Understand what share of links actually pass authority versus those marked nofollow/sponsored/UGC.
Anchor Text Distribution
Review the anchor text patterns being used, useful for spotting over-optimization or spam risk.
Link Quality Signals
Surfaces quality indicators so you can separate valuable links from low-value or spammy ones.
Competitor Research
Run the same check on competitor domains to benchmark link-building progress.
Fast Turnaround
Results are returned in seconds, so it fits directly into a link-building workflow.
How It Works
A backlink check that takes seconds, not a crawl you have to wait on.
Enter a domain
Type in the root domain or subdomain you want to analyze.
Run the check
The tool queries backlink data for that domain.
Review referring domains & anchors
Scan the breakdown of who links to the domain and how.
Compare over time
Re-check periodically to track link-building progress or investigate sudden ranking changes.
Who Uses This Tool
Whether you're building links or auditing someone else's profile, the same data applies.
This tool is part of the SEO Jasoos suite, built for link-building teams, SEO consultants, and site owners evaluating their own backlink health or researching competitors. Backlink metrics are sourced from established link-index data providers.
Frequently Asked Questions
What counts as a referring domain?
A referring domain is a unique website linking to the target domain — multiple links from the same site count as one referring domain.
Why does dofollow vs nofollow matter?
Dofollow links pass ranking signal (link equity) to the destination page, while nofollow, sponsored, or UGC links generally do not, though they can still drive referral traffic and diversify a natural link profile.
Can I check my competitor's backlinks?
Yes — you can run this check on any public domain, which is one of the most common uses for competitive research.
Does a higher backlink count always mean better rankings?
Not necessarily. Referring domain diversity, relevance, and link quality generally matter more than raw backlink volume.
How often should I check my backlink profile?
For most sites, monthly is sufficient to catch meaningful changes. If you are running an active link-building campaign, or investigating a sudden ranking movement, weekly checks make it easier to correlate link changes with what you see in search performance.
What is a good number of referring domains?
There is no universal target — it depends entirely on your competitive set. The practical approach is to run this check on the three or four sites currently ranking above you for your target keyword and use their referring domain counts as your working benchmark.
Can backlinks hurt my rankings?
Genuinely harmful links are far rarer than most guidance suggests. Search engines ignore the vast majority of low-quality links automatically. Sustained, deliberate manipulation can trigger a manual action, but a handful of spam links pointing at your site from directories you never submitted to is normal and generally requires no action at all.
Why do different backlink tools show different numbers?
Every backlink tool maintains its own web crawl and its own index. No single index sees the entire web, and each one applies different rules about which links to keep and how long to retain links that have disappeared. Use one tool consistently for trend tracking rather than comparing absolute numbers across providers.
Do nofollow links have any SEO value?
Yes, though indirectly. Since 2019 search engines have treated nofollow as a hint rather than a strict instruction, so some signal may pass. More importantly, nofollow links from high-traffic sites drive real visitors, build brand recognition, and often lead to editorial dofollow links from people who discovered you through them.
How long does it take for a new backlink to affect rankings?
The link first has to be discovered and crawled, which can take anywhere from a few days to several weeks depending on how frequently the linking page is crawled. Any ranking effect typically appears gradually after that. Individual links rarely produce visible movement on their own; accumulated patterns do.
How to Read Your Backlink Report
Understanding what the numbers actually mean is what separates a useful audit from a vanity check.
The first number most people look at is total backlinks, and it is usually the least useful one on the page. A single site that links to you from every one of its 40,000 footer pages will produce 40,000 backlinks and exactly one referring domain. Search engines have been discounting that pattern for well over a decade. Start with referring domains instead, then work outward.
Once you have the referring domain count, look at how it has moved rather than where it sits. A site that gained 30 referring domains over six months is telling a very different story from a site that gained 30 in a single week. Steady, uneven growth is what natural link acquisition looks like. Sudden vertical spikes usually mean either a piece of content genuinely took off, or somebody bought a package of links.
Next, check the dofollow to nofollow split. There is no perfect ratio, but a profile that is 99% dofollow is statistically unusual — real sites accumulate nofollow links from forums, social profiles, comment sections, and news aggregators simply by existing. A profile with almost no nofollow links often indicates the links were placed deliberately rather than earned.
Finally, read the anchor text distribution last, not first. Anchor text is the most manipulable signal in the report, which is exactly why it is the most diagnostic. A healthy profile is dominated by branded anchors and bare URLs, with exact-match commercial anchors making up a small minority.
Backlink Metrics Explained
The four numbers that carry the most weight, and what each one is actually measuring.
Referring Domains vs Total Backlinks
Referring domains counts unique linking websites; total backlinks counts every individual link. Authority scales with domain diversity, not link volume. Ten links from ten different relevant sites will nearly always outperform a thousand links from one.
Dofollow / Nofollow / Sponsored / UGC
Dofollow links pass ranking signal. The rel="nofollow", rel="sponsored", and rel="ugc" attributes tell search engines to treat the link differently. Since 2019 Google has treated these as hints rather than strict directives, so nofollow links still carry some value — and they still send real referral traffic.
Anchor Text Distribution
The clickable text of each incoming link. Branded anchors ("SEO Jasoos"), naked URLs, and generic anchors ("click here", "this guide") are the natural majority in most profiles. Heavy exact-match commercial anchors are the classic fingerprint of a paid or automated campaign.
Link Velocity
The rate at which new referring domains appear over time. Velocity matters more than any single snapshot, because it shows whether a profile is growing organically or being inflated artificially.
Topical Relevance
A link from a site in your subject area carries more weight than one from an unrelated site with a higher authority score. Relevance is not a number in most reports, but it is the first thing you should judge manually.
Link Placement
A link inside the main body of an article is worth substantially more than one buried in a sitewide footer, sidebar, or author bio. Where the link sits on the page is part of how its value is assessed.
What Makes a Backlink High Quality?
Six practical tests you can apply to any link in under a minute.
Is the linking page relevant to your subject? A link from a marketing blog to an SEO tool makes contextual sense. A link from an unrelated directory of car parts does not, regardless of that site's authority score. Relevance is the single strongest quality filter you can apply, and it costs nothing to check.
Does the linking page receive real traffic? A page that nobody visits passes very little value. If you can check estimated traffic for the linking page, do it. Pages that rank for nothing and receive no visits are usually part of a link network rather than a genuine publication.
Is the link editorially placed? Editorial links are given because someone found the resource genuinely useful. Links you placed yourself — directory submissions, profile pages, comment signatures — are self-serving by definition and are weighted accordingly.
How many outbound links does that page carry? A page linking out to 200 different sites is distributing whatever value it has across 200 recipients. A page with five carefully chosen outbound links concentrates far more into each one.
Is the anchor text natural? If every link pointing at your commercial page uses the same exact commercial phrase, that pattern is visible and it is not a pattern that occurs naturally.
Is the linking domain indexed and healthy? Check whether the linking site actually appears in search results for its own brand name. Sites that have been deindexed pass no value at all, and a cluster of them pointing at you is worth investigating.
Common Backlink Mistakes to Avoid
The patterns that consistently cause problems, drawn from audits across competitive niches.
Chasing authority scores instead of relevance. Third-party authority metrics are useful for triage, not for decisions. A moderately-scored site in your exact niche will almost always send more qualified traffic and more relevant signal than a high-scoring general news site that mentions you in passing.
Buying link packages. Bulk link packages produce the exact statistical fingerprint that link-quality systems are built to detect: sudden velocity spikes, near-identical anchor text, low-traffic linking pages, and site clusters that link to the same set of clients. The short-term movement rarely survives the next core update.
Ignoring lost links. Most teams track links gained and never track links lost. A page that quietly dropped fifteen referring domains over a quarter has a real problem, and it will not show up in a report that only counts additions. Re-run your check on a fixed schedule and compare against your previous snapshot.
Over-optimizing anchor text on money pages. Commercial pages naturally attract fewer editorial links than genuinely useful resources. When those few links all carry the same exact-match commercial anchor, the profile looks engineered — because it is.
Disavowing too aggressively. The disavow file is a precision instrument, not a broom. Search engines already ignore the overwhelming majority of low-quality links without any action from you. Disavowing links that were passing legitimate value is one of the few genuinely irreversible mistakes in technical SEO, and it is far more common than the problem it was meant to solve.