Domain Authority (DA) is a website metric developed by Moz. It is one of the most important numbers known to SEOs. The greater your DA, the more likely you are to have strong traffic and high rank.
Page Authority is a score (on a 100-point scale) developed by Moz that predicts how well a specific page will rank on search engines. It is based off data from the Mozscape web index and includes link counts, MozRank, MozTrust, and dozens of other factors.
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