Domain Authority

Domain Authority is a score developed by Moz — not by Google — that attempts to predict a website's overall ranking strength. It is calculated primarily from the number and quality of external websites linking to your domain (backlinks), and is used widely as a benchmark for comparing SEO competitiveness between sites.

It is important to understand what DA is not: it is not a Google ranking factor, and Google does not use it in its algorithm. Google has its own internal assessment of site authority, which is not publicly shared. DA is a third-party approximation that can be useful for competitive benchmarking but should not be treated as a direct measure of SEO performance.

That said, the factors that improve DA — high-quality backlinks from authoritative sites, strong content depth, and consistent publishing — are the same factors that genuinely improve rankings. Pursuing DA improvement by building real editorial backlinks and publishing authoritative content is a sound strategy, even if the number itself is a proxy rather than the end goal.

For B2B content programs, DA context matters most in competitive analysis. If the pages ranking for your target keywords come from sites with DA 60+, and your site is at DA 25, you will need either more time, more backlinks, or more topical depth to displace them. It sets realistic expectations for timeline and investment required.