How to Increase Domain Authority In Your Website | SoftLoom IT Solutions Domain Authority is one of the factors that Google use to evaluate the search engine ranking of a websites. e. It's a Software developed by MOZ to predict the ranking of a websites. It's score range starts from one to Hundred . Newly started websites will always have one Domain authority score. Domain Authority is not a concept or term that Google uses but the Google algorithm takes these factors when deciding how to rank a web Site. We can easily check DA of our own or any other website by simply installing the MOZ S.E.O Toolbar Chrome Extension. After activating your MOZ account, the MOZ Chrome Extension will show a small black box with a green bar. Inside that box is a number that shows the Domain Authority of the site you’re currently visiting or viewed . Following are some of the factors that helps us to give an idea to increase DA of our site By choosing a perfect Domain Name