As you may know Google shutdown the Page Rank (PR) service, so all sites now is PR0 even Google.com, We recommend to go through the Domain Authority (DA) metric.
What is Domain Authority?
Domain Authority (DA) is a search engine ranking score developed by Moz that predicts how well a website will rank on search engine result pages (SERPs). A Domain Authority score ranges from one to 100, with higher scores corresponding to a greater ability to rank.
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