Free · No signup · 10/hr

Free Domain Authority Checker

Check the full authority profile of any domain. See Moz Domain Authority, Page Authority, Majestic Trust Flow, Ahrefs Domain Rating, and the composite SERPView Score in one view, plus our SERPView Authority Index metrics like dofollow percentage and indexed page count.

How it works

A short, focused workflow — input, run, read the result.

Enter a domain
Type or paste any domain name into the search box (example.com, etc.).
Check authority scores
See Moz DA/PA, Trust Flow/Citation Flow, Ahrefs Domain Rating, the SERPView Score, dofollow ratios, and link profile metrics instantly.
Compare and benchmark
Use the scores to compare against competitors or track authority growth over time.

What is Domain Authority, and why does the score matter for SEO?

Domain Authority is a 0-100 score that predicts how well a site can rank on Google. It is built from the same signals Google uses: backlinks, referring domains, and link quality. Higher scores correlate with higher rankings, even though the score itself is not a ranking factor.

Domain Authority was created by Moz in 2004 as a single number to summarize a site's link-based ranking power. The score runs from 0 to 100 and is calculated from your total backlink count, the number of unique referring domains, and the quality of those referring domains. Most new sites start at 1. Established brands like google.com, wikipedia.org, and apple.com sit in the 90s. A small business blog that has done real link building typically lands in the 20-40 range.DA is not used by Google. It is a third-party metric, and the search engine has confirmed that it does not factor DA into its algorithm. The score is still useful because the inputs that produce a high DA (quality backlinks, diverse referring domains, aged domain) are the same inputs that correlate with actual rankings. A DA of 40 to 50 is a common benchmark for sites that rank on page one for moderately competitive queries.Our checker pulls DA, Page Authority, Ahrefs Domain Rating, Majestic Trust Flow, and Citation Flow in a single request, then layers the SERPView Authority Index on top. You get five independent scores plus a composite view, so you can benchmark a prospect's link profile before outreach, track a campaign's lift, or sanity-check a competitor's claim of authority. No login, no quota gymnastics.

0-100

DA score range, higher is stronger

Authority metrics per lookup

Average lookup time

What this domain authority checker covers

Five third-party authority signals plus a composite, in one request.

Moz Domain Authority — the 0-100 score that started the category. Built from referring domains, backlink count, and link quality.
Moz Page Authority — the page-level variant of DA. Useful for predicting a single URL's ranking power, not just the root domain.
Ahrefs Domain Rating — Ahrefs' own 0-100 authority score, weighted toward the strength of referring domains over raw backlink count.
Majestic Trust Flow — the 0-100 quality score for inbound links. High Trust Flow means links from trusted sources like .edu and .gov sites.
Majestic Citation Flow — the 0-100 quantity score for inbound links. Use it alongside Trust Flow to spot low-quality link velocity.
Referring domain count — the number of unique root domains linking in. Diversity matters more than volume, and 100 referring domains beats 10,000 links from one blog network.
Dofollow ratio — the share of backlinks that pass PageRank. A 70-90% dofollow share is typical; ratios outside that range can signal paid or spammy links.
SERPView composite score — a weighted blend of the five metrics above into one 0-100 number, updated in real time alongside the source scores.

Who uses this domain authority checker

Anyone who needs to size up a domain's ranking power in under 30 seconds.

Link builders

You're vetting 40 link prospects this week and need a fast filter for sites worth pitching.

Reject sites under DA 30 in two seconds each, focus outreach on the 12 prospects worth a real pitch.

SEO agencies

Your monthly client report needs a side-by-side authority comparison across 8 competitors.

Pull all five scores in one batch, drop the table straight into the deck, no Moz or Ahrefs tab juggling.

Digital PR teams

A journalist asked for your site's DA before considering a contributed quote or source mention.

Send a screenshot of the SERPView composite in 30 seconds, with all five underlying scores visible.

Affiliate marketers

You're evaluating 25 affiliate programs and need to know which advertiser domains actually have ranking power.

Filter advertisers by DA 50+ to find partners whose links carry weight, not just brand recognition.

In-house SEOs

You inherited a 7-year-old site and want a baseline authority snapshot before the Q1 link campaign starts.

Save a starting point across all five metrics, then re-check quarterly to track campaign lift against the baseline.

Domain investors

You're pricing 12 expired domains for acquisition and need an authority check before bidding.

Run the check on each, cross-reference Trust Flow with DR, and skip any domain with Trust Flow under 10.

Related glossary terms

Want a deeper dive? These glossary entries explain the concepts behind this tool.

Frequently Asked
Questions

Everything you need to know about domain authority, Moz, and Majestic metrics in 2026.

Moz Domain Authority (DA) is a predictive search engine ranking score from 0-100. Higher DA means higher potential to rank. It is not a Google ranking factor, but it is heavily correlated with ranking power because it measures the factors Google actually uses: backlinks, referring domains, content quality, and brand strength.

Moz Domain Authority measures overall domain strength including backlinks, site age, content quality, and brand mentions. Majestic Trust Flow measures the quality and trustworthiness of your backlinks. Links from .gov, .edu, or industry news sites are high-trust; links from spammy directories are low-trust. A good link profile balances both: high DA and high Trust Flow.

A healthy dofollow ratio varies by industry, but a general target is 70-90% dofollow links. Nofollow links still drive traffic and signal relevance, but dofollow links pass link authority. If your profile has more than 30% nofollow links, it may indicate excessive paid or guest links that Google could penalize.

For competitive analysis, check key competitors monthly. For tracking your own sites, check quarterly, unless you are doing active link building, in which case check monthly after campaigns. Authority scores do not change quickly because they reflect historical link data, not immediate updates.

Yes. Scores are fetched in real time from Moz, Majestic, and Ahrefs via the SERPView Authority Index. For very new domains (under 30 days), there may be a short delay before Moz, Majestic, and Ahrefs have crawled and processed the site.

The SERPView Score is our proprietary composite authority signal. It blends the most respected third-party authority metrics into a single headline number so you can compare domains at a glance without bouncing between tools. It updates in real time alongside the other scores and uses the same 0-100 scale, so higher is always stronger.

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