Domain rating (DR) is Ahrefs' 0–100 score measuring the strength of your backlink profile, while Domain Authority (DA) is Moz's 0–100 prediction of how likely your site is to rank in Google. They measure related but different things: DR focuses purely on links, DA blends multiple ranking signals. Neither is a Google ranking factor — both are third-party estimates you should track as trends, not absolutes.
What Is Domain Rating and How Is It Calculated?
Domain rating reflects the quantity and quality of external backlinks pointing to a website. Ahrefs built the metric to answer one practical question: how authoritative is this domain's link profile compared to everyone else?
The calculation is link-centric. Ahrefs counts how many unique domains link to your site, weighs the authority of each linking domain, and factors in how many other sites those domains link out to. Raw scores are then plotted on a logarithmic 0–100 scale. That logarithmic curve matters: moving from DR 20 to 30 is far easier than climbing from DR 70 to 80.
Critically, domain rating ignores variables like traffic, domain age, content quality, or link spam. It is a pure backlink popularity signal. When Ahrefs studied the correlation between domain rating and keyword rankings across 218,713 domains, the two correlated strongly — which is why the metric earned its place in most SEO toolkits.
What Is Domain Authority and Why Is It Important in SEO?
Domain Authority, developed by Moz, predicts the likelihood that a domain ranks in Google search results. Unlike domain rating's single-minded focus on links, DA blends dozens of factors into one composite score. Moz now samples data from more than 43.8 trillion links across 8 trillion pages and 743 million domains to model the metric.
The numbers reveal why authority scores draw so much attention. Websites with DA 50+ receive an average of 27,000 monthly organic visitors, compared to 8,400 for DA 40–50 sites, 2,100 for DA 30–40 sites, and just 450 for DA 20–30 sites. SEMrush found that each 10-point DA increase correlates with a 2.8x average rise in organic traffic, while Backlinko reported that high-DA domains (60+) convert organic visitors 4.2x better than low-DA sites.
At Grid13, specializing in AI-powered blog content that lifts SEO and GEO scores for B2B websites, we treat both metrics as directional indicators — useful for spotting trends, never as the goal itself.
What Is a Good Domain Rating or Authority Score?
Context decides everything. Sites with serious, sustained link-building usually score 60+, while the average website hovers around 30. Only about 0.007% of all domains in the Ahrefs database — roughly 15,000 out of 207.4 million — reach a DR of 80 or higher. So if your domain rating sits at 35 in a competitive niche, that may be perfectly healthy. Benchmark against your direct competitors, not against global giants.
Domain Rating vs. Domain Authority: The Key Differences
Both metrics run on the same 0–100 scale and both lean heavily on backlinks, which is why people confuse them. The differences sit in what each one measures and who built it.
| Factor | Domain Rating (DR) | Domain Authority (DA) |
|---|---|---|
| Provider | Ahrefs | Moz |
| Scale | 0–100 (logarithmic) | 0–100 (logarithmic) |
| What it measures | Backlink profile strength | Likelihood of ranking in Google |
| Inputs | Links only | Multiple ranking signals |
| Spam consideration | Not included | Factored into the model |
| Best used for | Comparing link strength | Estimating ranking potential |
The simplest way to remember it: domain rating tells you how strong your links are, while DA tries to predict whether those links (and everything else) will translate into rankings. Because the data sources differ, the same site can score DR 45 on Ahrefs and DA 38 on Moz — and both can be correct within their own systems.
What Is Spam Score and How Does It Affect Your SEO?
Moz also publishes a Spam Score, expressed as a percentage from 0–100%, flagging characteristics common to penalized sites. A high spam score won't directly lower your DA, but it signals risky backlinks that can drag down your ranking potential. Ahrefs deliberately excludes spam from domain rating, so a site can carry a strong DR while harboring toxic links. This is exactly why you should never judge a domain on one metric alone — pair DR with a spam or toxicity check before pursuing a link.
Which One Should You Actually Track?
Track the metric that matches your toolset and goal. If you live inside Ahrefs and care about competitor link strength and outreach prospects, watch domain rating. If you build links through Moz or report to clients familiar with DA, track Domain Authority. Most experienced SEOs glance at both because each fills a gap the other leaves.
What matters more than the choice is consistency. Pick one primary metric, measure it monthly, and watch the trend line rather than the daily number. A domain rating climbing from 22 to 31 over six months tells a clearer story than any single snapshot.
How to Improve Your Domain Rating and Authority Score
Both scores rise through the same fundamental work — earning quality links and publishing content worth linking to. Here is a practical sequence:
- Audit your current backlinks. Identify and disavow toxic links that inflate spam risk.
- Build topical authority. Publish clusters of in-depth content around your core subjects so other sites cite you naturally.
- Earn editorial links. Original research, data, and genuinely useful guides attract links far better than directory submissions.
- Pursue relevant high-DR domains. One link from a DR 70 site in your niche outweighs ten from DR 15 directories.
- Publish consistently. Steady content velocity gives you more linkable assets and keeps your profile growing.
This is where automated content scales the work. Grid13's AI blog post system publishes optimized, citable articles on a steady cadence — exactly the kind of linkable, authority-building content that nudges both domain rating and DA upward over time, while also boosting your visibility inside AI search engines like ChatGPT and Perplexity.
Check Your Domain Rating in Seconds
You don't need a paid subscription to get started. Free tools like the Ahrefs Website Authority Checker return your DR and URL Rating, while bulk checkers let you compare up to 30 domains at once — handy when you're vetting a batch of link prospects. Run your own domain first to establish a baseline, then check three or four direct competitors so your number has context.
One caution: third-party scores update on their own schedules and pull from different link databases, so expect small fluctuations. Treat a sudden 2–3 point dip as noise unless it persists across multiple months.
Frequently Asked Questions
Is domain rating a Google ranking factor?
No. Google representatives consistently deny using any third-party "domain authority" metric as a ranking factor. However, John Mueller has confirmed Google uses internal sitewide signals that "map to similar things." DR and DA are useful estimates, not direct ranking levers.
Why is my domain rating different from my Domain Authority?
Because Ahrefs and Moz use separate link databases and different formulas. Domain rating counts only backlink strength, while Domain Authority blends multiple signals. A site can easily score DR 45 and DA 38 at the same time — both are valid within their own systems.
What is a good domain rating score?
It depends on your niche. Average sites sit around 30, dedicated link-builders reach 60+, and only about 0.007% of domains hit DR 80 or above. Benchmark against your direct competitors rather than chasing an arbitrary global number.
Can I increase my domain rating quickly?
Not honestly. Domain rating grows by earning quality backlinks and publishing linkable content over months. Because the scale is logarithmic, early gains (DR 10 to 30) come faster than later ones (DR 70 to 80). Beware any service promising instant DR boosts — they usually rely on spam links that hurt long-term.
Should small businesses track DR or DA?
Track whichever tool you already use and stick with it for consistency. For most small businesses, the trend line matters more than the metric name. Focus your energy on publishing authority-building content rather than obsessing over a 2-point difference.