When it comes to measuring the authority or quality of a link, the most popular metric used by digital marketing professionals (61%) was Domain Rating from Ahrefs. This was followed by Domain Authority from Moz with 49% of digital marketing professionals it.
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Publication Title: The State of Link Building Report 2021

Source Link:
https://info.aira.net/hubfs/Aira_State_of_Link_Building_Report_2021.pdf

Publication Year: 2021