Bulk DA Checker

Paste up to 20 domains and get each site's Domain Authority (DA) in one run — together with its homepage Page Authority (PA), Moz Spam Score, domain age and registrar. Domain Authority is Moz's 0–100 score predicting how likely a site is to rank in search results, so this is the quickest way to compare a list of competitors, link prospects or your own sites side by side. The check is free, needs no sign-up, and results are cached for up to 24 hours because DA changes slowly.

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Assumptions: Domain Authority, Page Authority and Spam Score on this page are Moz metrics, fetched from Moz's index via a free checker service; Percentiva does not calculate, adjust or estimate them. Lookups are cached for up to 24 hours, and Moz itself refreshes DA roughly monthly, so a score can lag a site's very latest backlinks. Domain age and registrar come from the public RDAP directory and may be unavailable for registries that do not publish RDAP records.

How it works

Domain Authority (DA) is a metric developed by Moz that predicts a domain's ability to rank in search engine results, scored from 0 to 100. It is built mainly from the domain's link profile — how many other sites link in, and how authoritative those sites are — and higher scores get progressively harder to reach, so the gap between DA 70 and 80 is far bigger than between 20 and 30. This tool checks the root domain you enter (any www. prefix is stripped), fetches its current DA, homepage PA and Spam Score from Moz's data via a free checker service, and shows them next to the domain's age and registrar, which are read from the public RDAP directory (the successor to WHOIS). PA works like DA but scores a single page — here it is measured on the homepage — and the Spam Score is Moz's percentage estimate of how closely a domain resembles sites that have been penalised for spam, so lower is better. Because lookups draw on a shared free service, results are cached for up to 24 hours; that is a fair trade, because Moz recalculates DA only about once a month. Some registries do not publish RDAP records — many country-code domains among them — so the age and registrar columns can be blank for those sites even when their DA is available.

Frequently asked questions

What is Domain Authority (DA)?

Domain Authority is Moz's 0–100 score predicting how likely a website is to rank in search results compared with other sites. It is calculated mainly from the domain's backlink profile — the number and quality of sites linking to it — and it is relative: a DA that is strong in one niche may be average in another, so DA is best used to compare sites against their direct competitors.

What is the difference between DA and PA?

DA scores a whole domain, while Page Authority (PA) scores one single page using the same 0–100 approach. In this checker the PA shown is for the site's homepage, which is usually its strongest page. A site can have a modest DA but a high homepage PA, or the reverse on individual deep pages that have earned their own links.

What is a good Spam Score?

Spam Score is Moz's estimate, shown as a percentage, of how many similar sites have been penalised or banned for spammy practices. Lower is better: scores in the low single digits are common for ordinary sites, while a high Spam Score is a warning to inspect a domain's backlinks carefully before treating it as a link prospect. It is a risk signal, not proof of a penalty.

Why does my site show a very low DA?

A low DA is normal for a new or small website. It usually means Moz has found few backlinks pointing at the domain so far, not that the site is broken or penalised. DA grows as other websites link to your pages, and one link from a strong, relevant site counts for far more than many links from weak ones.

Is Domain Authority a Google ranking factor?

No. DA is Moz's own third-party metric, not something Google uses or publishes. It correlates with rankings because sites with strong link profiles tend to rank well, which makes DA useful for comparing sites and judging link prospects — but raising DA by itself does not raise your Google positions.

How fresh are the scores?

Results are cached for up to 24 hours, and the table marks which rows came from the cache. Moz recalculates Domain Authority roughly once a month, so a cached score is normally the current published figure; if a row matters for a decision, it refreshes within a fortnight as the cache turns over.

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