Domain Authority and Domain Rating are often listed side by side. Although both use a score, they are not interchangeable. This guide explains what each one means and how to compare sites without mixing metrics.
Learn why Moz DA and Ahrefs DR should not be treated as interchangeable scores.
DA and DR come from different companies
Domain Authority is a Moz metric, while Domain Rating is an Ahrefs metric. Although both relate to website strength, they use different data and methods. Therefore, a DA of 40 is not the same as a DR of 40.
What Domain Rating emphasizes
Ahrefs describes DR as a measure of the strength of a website’s backlink profile. In contrast, Moz DA estimates relative ranking potential using its own model. Consequently, two sites can show very different values across the platforms.
Which should you track?
Choose the metric that fits your workflow and budget. Then, use that provider consistently for trend analysis. Switching providers mid-report can create misleading comparisons.
What matters beyond either number
Look at whether links come from relevant, real websites. Also, examine the pages earning traffic and the topics they cover. Most importantly, judge your own progress using search clicks, qualified leads, and useful content performance.
No. It is a third-party estimate, not a guarantee or a Google ranking signal. Therefore, judge pages by relevance, usefulness, and real search outcomes.
Not as if they were the same metric. Instead, record the source of each score and compare trends within one provider.
DA and DR are not the same number
Moz Domain Authority and Ahrefs Domain Rating come from different companies. They use different data and methods, even though both present a 0–100 style score. Consequently, DA 45 does not equal DR 45. Treat each as a separate measure and avoid averaging them.
What each score is useful for
DA can support relative domain comparisons within Moz’s system. DR focuses on a website’s backlink profile within Ahrefs’ system. Neither tells you whether a particular article answers a question well. Therefore, add relevance, traffic, and page quality to any comparison.
How to report both fairly
A clean report might say: “Moz DA: X, checked on date Y; Ahrefs DR: Z, checked on date Y.” It should not say that one tool confirmed the other. In addition, explain whether the numbers came from free previews, paid accounts, or a different data provider. Clear labels prevent confusion.
A quick example you can use
Suppose you run a new site with a narrow topic. One competitor has more links, while another publishes clearer answers. You can learn from both. First, inspect what readers actually search for. Then, compare the pages that serve those searches. Finally, choose one change you can test, such as improving a guide, adding a clear example, or fixing a broken link.
For a fair test, keep the same topic and country in view. A global news brand and a local shop may both rank for some searches, but their audiences and goals differ. Therefore, compare websites that solve similar problems. When a result surprises you, open the ranking page and see what it offers before you change your strategy.
What to record before making a decision
Save the exact metric name, provider, date, and domain version. Also, note the query or audience you care about. Without these details, a number in a spreadsheet can become misleading within weeks. A short written note is often more useful than a colorful chart.
For instance, a report that says “authority: 42” leaves out key facts. Which tool produced the number? Was it a domain or page metric? When was it checked? Add those details and the report becomes easier to trust. Moreover, your team can repeat the check next month without guessing what the original number meant.
Mistakes to avoid
Do not buy links simply to raise a third-party score. Likewise, do not assume that a higher number means better content. A domain-wide metric cannot tell you whether a single page meets a visitor’s needs. Instead, read the page, check its sources, and look for evidence of genuine usefulness.
Be careful with promises of instant improvement. Search visibility takes more than a single link or a new title. Some sites grow by serving a clear niche, while others rely on strong local knowledge. In both cases, good work is easier to assess through useful pages, relevant visits, and reader response than through one score.
How to turn the finding into an action
Choose one clear next step and assign an owner. For example, update an outdated explanation, contact a relevant partner about a helpful resource, or improve navigation to a strong article. Then, review search performance after enough time has passed. This turns a score check into a real SEO workflow.
Review the outcome with a simple question: did the work make the website more useful? If a guide now answers more questions, that is a real improvement. If search clicks and inquiries also grow, the business case becomes stronger. However, if only the third-party score changes, investigate before calling the project a success.
Helpful tools and trusted sources
Explore the Degates DA Authority Checker to review its available metrics. Confirm the provider label before interpreting any number.
For the original definition, read Moz: Domain Authority. For actual Google search data, use Google Search Console.
Google also explains its approach in the SEO Starter Guide.
Continue reading: Why Did My Domain Authority Drop? and Domain Authority vs Page Authority: Key Differences. Verify these pages are published before enabling the links.
Frequently asked questions
Does a higher score guarantee Google rankings?
No. Third-party authority metrics cannot guarantee a position in Google Search. Relevant content, technical access, and the query itself still matter.
Can I compare scores from different SEO tools?
You can show them side by side, but do not treat them as the same measure. Each provider uses its own data and model.
How often should I check authority metrics?
A monthly or quarterly check is often enough for a small site. More frequent checks may create noise rather than useful insight.
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