What is Domain Authority & Domain Rank?

Domain Authority (DA) and Domain Rank are metrics that estimate a website’s credibility and search engine performance.

Domain Authority is a score developed by Moz, ranging from 1 to 100, that predicts how well a website will rank on search engine result pages (SERPs). Higher scores indicate greater ranking potential. DA is calculated using multiple factors, including the number and quality of inbound links, overall link profile strength, and other SEO signals. It’s a comparative metric—useful for benchmarking your site against competitors rather than an absolute measure.

Check your Domain Authority at Moz

Domain Rank (or Domain Rating) is a similar metric created by Ahrefs, also scored from 0 to 100. It focuses primarily on the strength and quantity of backlinks pointing to a domain. Like DA, a higher Domain Rank suggests a more authoritative site with better potential to rank in search results.

Check your Domain Rank at Ahrefs

Key Takeaway: Neither metric directly impacts Google rankings—they’re third-party tools for assessment. Use them to gauge your site’s SEO health, track progress over time, and compare against industry competitors. Improving content quality, earning quality backlinks, and strengthening technical SEO will naturally boost these scores.