What is Domain Authority ?
Like Google Page Rank and Alexa domain Rank, Domain Authority is a ranking metric by Moz. Domain Authority predicts how a blog or a website performs in search engine rankings.
You Can check your domain authority score here at Open Site Explorer, Domain Authority is measured on a 100-point, logarithmic scale. Thus, it’s easier to grow score from 20 to 30 than it would be to grow from 70 to 80.
The below Infographic will answer how to increase a domain authority.