How the score works
The score combines three rankings: the harmonic centrality and the PageRank of the domain in the Common Crawl web graph, and its position in the Majestic Million list of the most linked-to sites. Each ranking is turned into a signal between 0 and 100 and the three are weighted into one score.
The formula and the weights are printed under the result, so you can check the arithmetic yourself.
Reading the result
A higher score means the domain sits nearer the top of the open rankings. A score near zero means it ranks low or not at all.
If you enter a subdomain that has no rank of its own, the ranks of its parent domain are shown and the result says so.
This is not the score used by paid SEO tools. Those use private link indexes and a different scale, so the numbers will not match.
Limits worth knowing
Only the best-ranked domains of each list are indexed. A domain that is not found is not proof of low quality, because small and new sites are usually not in the lists.
The score describes popularity and link structure. It does not predict how a page will rank in search results.
Frequently asked questions
Is this the same as Moz Domain Authority?
No. This score comes from open datasets and has its own formula. It does not match Moz, Semrush or Ahrefs.
Why is my domain not found?
The lists hold only the most prominent domains. A smaller site is usually absent.
Can I see how the score is calculated?
Yes. The formula and the weights are shown with every result.
Does the score affect my search ranking?
No. It is an independent estimate of how prominent a domain is on the open web.