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I am very confused as to the practical implementation of these 2 terms PA and DA.

I have a website  and i want to rank a particular page.

So to rank it at the top, should i have more backlinks of page** or **more backlinks of my Homepage.

Does more back links of a particular page improves only PA  or (PA & DA) both ?

I have made many links for my website, I checked in majestic it showed me about 40. But MOZ is showing Zero.

The last i remember  I checked:

Add noodp meta robots tag sitewide in SEO YOAST. It said it prevents search engines from using the DMOZ description for pages from this site in the search results.

Also I have a NoIndex (canonical ) on category, archive, author, tag to avoid Duplicate Data.

But when i see the source of my website, it shows <rel link="canonical">on every single page and post of website. Can this be the reason why MOZ is not showing any backlinks? </rel>