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Domain Authority (DA) is Moz's 0–100 score that predicts how likely a website is to rank in search results based on its link profile. It's one of the most widely referenced third-party SEO metrics in the industry — used by SEO professionals, content marketers, and link builders to evaluate website strength at a glance. The Domain Authority Checker from EazySEOTools lets you check DA for any domain instantly, for free.
A Domain Authority Checker queries Moz's database to retrieve the DA score for any given domain. DA is calculated from the number and quality of inbound links, root domains linking to the site, and other link-based signals — all normalized to a 0–100 logarithmic scale.
DA is the industry's shorthand for website strength. When you pitch for a guest post, when you evaluate a backlink opportunity, or when you present SEO progress to a client — DA is the number everyone understands. Track your own DA monthly and pair it with the Page Authority Checker and Mozrank Checker for a comprehensive Moz metrics profile.
Q: What is a good Domain Authority score?
Scores 40–50 are average; 50–60 are good; above 60 is strong. Brand new sites start at 1.
Q: Does Domain Authority directly affect Google rankings?
DA is a third-party metric — Google doesn't use it. However, high DA typically correlates with strong Google rankings because both reflect quality link profiles.
Q: How do I increase my Domain Authority?
Build high-quality backlinks from authoritative sites, remove toxic links, and consistently publish quality content.
Q: How often does Moz update DA scores?
Moz refreshes their index periodically. Scores can fluctuate with each update.
Q: Is Domain Authority the same as Domain Rating?
No, DA is Moz's metric. Domain Rating (DR) is Ahrefs' equivalent metric. Both measure link authority but use different calculations.
Domain Authority is the SEO world's shared language for website strength. The EazySEOTools Domain Authority Checker makes checking it instant and free for any domain. Track your progress monthly, benchmark against competitors, and combine with the Page Authority Checker and Backlink Checker for a complete authority analysis.
