A domain authority checker gives you a third-party score from 1 to 100 that predicts how likely a site is to rank — but it is not a Google metric, and it does not directly move your rankings. We treat it as a rough diagnostic, not a target. Google's own John Mueller has said Google does not have anything like a website authority score. So check it, note the trend, then get back to work.
I'm Alex, and at Grid13 we build automated blog content that has to earn rankings and AI citations for real businesses. That means we watch these scores constantly — and we've watched clients waste weeks chasing a number that barely correlates with traffic. This is the honest version: what a domain authority checker actually tells you, how to read it in five minutes, and what to do instead of refreshing it.
What does a domain authority score actually measure?
Domain Authority (DA) is Moz's proprietary prediction of ranking strength, built from link data. It is not something Google calculates or uses. Moz's model reportedly weighs over 40 factors including link quality, domain age, and overall site optimization. The output is a single logarithmic number: getting from 20 to 30 is easy, getting from 70 to 80 is brutal.
Here is the part most guides bury. According to MarketVeep's analysis, Domain Authority accounts for only 0.1% of the variance in SERP positions for the top five spots. That does not mean the score is useless — it means the score is a symptom of the things that rank you, not the cause. Strong content and relevant links raise both your rankings and your DA. The DA does not raise your rankings.
Is a high domain authority score rare?
Very. In 2024, sites with a DA above 60 made up just 1% of all domains indexed by search engines. If your checker shows 35, you are not behind — you are normal. Most of the internet lives in the 1–40 band. That context alone should lower the stress you attach to the number.
How do you check domain authority in five minutes?
You do not need a paid subscription for a baseline reading. Here is the exact method we run for a new client, and you can repeat it this week:
- Install the MozBar Chrome extension. It shows a site's Domain Authority right on the search results page. Free, no card required for the basic view.
- Open Moz's Link Explorer and paste your root domain (e.g. yoursite.com, not a single blog URL). Note the DA and the linking root domains count — that second number is what actually built the score.
- Cross-check with Ahrefs' free Website Authority Checker or SEMrush. Do not expect the numbers to match. SEMrush's Authority Score runs 15 to 20% lower than Moz DA on average — an Authority Score of 30 to 35 is broadly equivalent to a Moz DA of 38 to 42. Each tool has its own index and math.
- Record the number and the date. One reading is noise. A quarterly trend is signal.
- Check three direct competitors the same way. Your DA in isolation means little. Your DA relative to who you're trying to outrank is the useful comparison.
What not to do: do not check your DA weekly, and do not paste individual article URLs into a domain-level checker expecting a meaningful reading. These tools refresh on their own schedule, and daily fluctuations tell you nothing except that the tool re-crawled. Set a calendar reminder for the first of the quarter and forget about it in between.
Why should you stop obsessing over your domain authority checker score?
Because it is a lagging, third-party estimate — and treating it as a goal leads people to buy links, which now actively backfires. Google's March 2024 core update explicitly targeted manipulative link patterns, aiming to reduce low-quality results by approximately 40 to 45%. The old playbook of inflating a domain authority checker score through bought or spammy links doesn't just fail; it puts your site at risk.
There is also a real correlation worth respecting without worshiping. Analysis of ranking benchmarks found that sites with #1 Google positions average a DA of 68, while the top 10 averages DA 51 to 71, and DA 60+ sites are 2.1x more likely to rank in the top 10. Read that correctly: high-DA sites tend to have done the underlying work — published depth, earned real links, built topical trust. The DA reflects that. Copying the number without the work gets you nothing.
What score should a business actually aim for?
It depends on your competition, not on a universal benchmark. If you're a local service business, you can rank against local rivals with a DA in the 20s. If you're SaaS or B2B tech competing nationally, the bar is higher — those brands typically need a DA of 52 or higher to rank nationally. Set your target by looking at the sites already ranking for your money keywords, not by picking a round number that feels impressive.
How do you actually raise domain authority the right way?
You don't chase the score. You build the things the score measures. Here is what compounds:
- Publish consistently around one topic. Focus beats breadth. Niche-focused sites reach DA 40 roughly 30% faster than generalist sites — averaging 18 months versus 26 months for broad-topic domains. A tight content cluster earns trust faster than scattered posts.
- Earn links by being worth citing. Original data, clear definitions, and genuinely useful guides get referenced. Bought links get penalized.
- Fix the technical basics. Fast pages, clean site structure, and internal links that connect related posts all feed the "overall site optimization" factor in the algorithm.
- Give it time. DA is logarithmic and slow. Eighteen months of focused publishing is a realistic timeline, not a punishment.
This is exactly the work Grid13 automates. We generate blog content built to earn citations — structured for both Google and AI answer engines — so the underlying authority grows instead of the vanity metric. If you want the authority without the manual grind, that's the whole point of the Grid13 automated blog platform.
Domain Rating vs. Domain Authority: which checker should you trust?
Neither, exclusively. Domain Rating (DR) is Ahrefs' metric; Domain Authority (DA) is Moz's; Authority Score is SEMrush's. They use different indexes, different link data, and different math — which is why the same site scores differently on each. There is no "correct" number.
The practical rule: pick one tool, use it consistently, and only ever compare like with like. Comparing your Moz DA to a competitor's Ahrefs DR is meaningless. Comparing your DA today to your DA last quarter, and to a competitor's DA measured with the same tool, is useful. Consistency of method matters more than which brand's number you choose.
Frequently Asked Questions
Is domain authority a Google ranking factor?
No. Google's John Mueller has stated Google doesn't have a website authority score, and Domain Authority is a Moz-created prediction, not a Google metric. It correlates with ranking because both reflect the same underlying quality signals — it doesn't cause rankings.
What is a good domain authority score for a small business?
It depends entirely on your competitors. Local businesses often compete well in the 20s, while national SaaS and B2B brands typically need 52 or higher. Check the DA of the sites currently ranking for your target keywords and aim to match them, rather than chasing a universal benchmark.
Why is my domain authority score so low?
Because most sites have low scores — in 2024, only 1% of indexed domains scored above 60. A DA in the 20s or 30s is completely normal. Low is not the same as broken; it usually just means the site is young or hasn't yet earned many relevant links.
How often should I check my domain authority?
Quarterly is plenty. These checkers re-crawl on their own schedules, so daily or weekly readings mostly show noise. Log the score once a quarter with the date, and track the trend over time instead of the daily wobble.
Do different domain authority checkers give the same number?
No, and they shouldn't be compared directly. SEMrush's Authority Score runs about 15 to 20% lower than Moz DA — an Authority Score of 30 to 35 roughly equals a Moz DA of 38 to 42. Pick one tool and stay consistent with it.
Stop watching the number — start building the authority
A domain authority checker is a mirror, not a lever. It reflects the work you've done; it can't do the work for you. Check it quarterly, use it to gauge competitors, and then put your energy where it actually moves rankings and AI citations: focused, well-structured, genuinely useful content published consistently over time.
That's the engine we run for our clients every week. If you'd rather build real authority than refresh a score, see how Grid13's AI-powered blog automation creates content optimized for both Google and AI search — and start growing the thing the number is only trying to measure.