How to Boost Domain Authority: Checking and Improving This Key Site Metric

What is Domain Authority?

Domain authority (DA) refers to the number of relevant backlinks—links to your website from other reputable sites—your site has. The relevance of those backlinks also contributes to your score.

Moz created the Domain Authority metric to help businesses figure out where they may rank on search engine results pages (SERPs). They estimate a page’s possible ranking via several channels, “including linking root domains and the number of total links, into a single DA score. This score can compare websites or track the ‘ranking strength’ of a website over time.”

Some brands are authoritative without even seeming to try. This is because the keywords that naturally exist on their websites will carry some weight.

For example, movie site IMDB has a high DA because relevant keywords are naturally integrated throughout the site. Secondary related keywords are also prevalent.

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