Ahrefs Domain Rating (DR)
Ahrefs Domain Rating (DR) is a 0 to 100 score that shows how strong a website’s backlink profile is, based on how many unique sites link to it with dofollow links and how strong they are.
What Domain Rating Measures
Domain Rating measures one thing: the strength of a website’s backlink profile compared with every other site in the Ahrefs database. It does not look at content, traffic, page speed or how well a site ranks. A brand-new site with no links sits at DR 0. A global platform with millions of linking sites sits close to 100.
The score works at the domain level. Every page on example.com shares the same DR, whether it is the homepage or a blog post published yesterday. That makes DR useful for judging a website as a whole, and much less useful for judging a single page.
Because the score is relative, it can move even when nothing changes on your site. If other sites in the index gain links faster than you do, your DR can slip by a point or two. Most site owners notice this after Ahrefs refreshes its data or after a large site in their niche earns a wave of new links.
How DR Is Calculated
Ahrefs has published the basic logic behind DR, though not the exact formula. The calculation starts with the number of unique referring domains that point to a site with at least one dofollow link. Nofollow links and repeat links from the same domain do not add to the score.
Next, Ahrefs weighs how strong each linking domain is. A link from a DR 80 site counts for far more than a link from a DR 10 site. Ahrefs also looks at how many other domains each linking site links out to. A strong site that links out to only a few domains passes more of its strength than one that links out to thousands, which mirrors how link equity is shared.
The final number sits on a logarithmic scale. Moving from DR 10 to DR 20 might take a few dozen decent links. Moving from DR 70 to DR 80 can take thousands of strong ones. This is why young sites often jump quickly in their first months while established sites move slowly.
DR vs Domain Authority vs Trust Flow
Three metrics dominate site-level link analysis, and each tool builds its own. Domain Rating comes from Ahrefs. Domain Authority (DA) comes from Moz and uses a machine learning model trained to predict ranking ability from link data. Majestic’s Trust Flow scores sites by how closely they connect to a hand-reviewed set of trusted seed sites, so it leans toward link quality rather than size.
Semrush adds a fourth option. Its Authority Score combines link data with estimated organic traffic and spam signals, which makes it harder to game than a pure link metric.
Each tool crawls the web separately and keeps its own link index, so the same site can show DR 45, DA 38 and TF 22 at the same time. None of these numbers is wrong. They measure different things from different data. Comparing a site’s scores across tools often tells you more than any single score, because a big gap between them can point to a problem.
Ahrefs also has a page-level metric, URL Rating (UR), which applies similar logic to individual pages instead of whole domains.
Limitations of Domain Rating
DR is a third-party estimate. Google does not use it, and a higher DR does not guarantee higher rankings. It counts links, but it cannot judge whether those links are relevant, editorial or bought.
That gap makes inflated DR a common problem. Some sites push their score up with link schemes, expired domains, sitewide links or networks built for the purpose, including PBN backlinks. On paper, these sites look strong. In practice, they often have little organic traffic and a link profile full of low-quality domains.
Signs of an inflated score include a high DR with very low traffic, a sudden jump of 20 or more points in a few months, and referring domains that have nothing to do with the site’s topic. DR also says nothing about niche fit. A DR 70 casino blog is a poor link source for a pediatric clinic, whatever its score.
The score also lags behind reality. Ahrefs needs time to discover new links and notice lost ones, so a site’s DR can trail its real link profile by weeks.
Using DR in Link Building
In link building, DR works best as a first filter. It helps you narrow a long prospect list to sites with an established link profile before you spend time on manual review. Most lists of guest posting sites and link vendors show DR next to every domain for this reason.
A sensible workflow uses DR alongside other checks. Set a minimum DR that fits your niche, then look at each site’s organic traffic trend, topical relevance, outbound linking habits and the quality of its own backlinks. Check the URL Rating of the specific page where your link will sit, since a strong domain can still host weak pages.
DR is also handy for benchmarking. Comparing your DR with the sites ranking above you shows roughly how much link strength you may need to compete. Track it over months rather than weeks, and treat small drops as normal movement unless they line up with lost links. When reporting to clients, show DR next to referring domain growth and organic traffic so the number has context. A rising DR with flat traffic is a reason to look closer at which links are driving it.
Domain Rating is a fast way to compare backlink strength across websites, as long as you treat it as a starting point. Pair it with traffic, relevance and a manual look at the links behind the number, and it becomes a reliable part of how you choose link targets.