How to know which links are of low quality?

[frank]

Hi,

You can follow these point to check it is good or low-quality back-link:

-MozRank
-Domain Authority (DA)
-Page Authority(PA)
-Google index status
-check Do follow and No follow
-Spam score
-Content(Unique, readable and strong)
-page rank
-alexa rank
-Related link

Hi,

you can use paid tools like Ahref, MOZ, SEMRush to know which links are low-quality

Check out to points here for low -quality links

- MOZ DA PA
- Ahref  DR UR
- MOZ Spam Score
- Traffic on that Site
- Relevant Backlink category
- Link type (dofollow- nofollow)

You two just shared some tools. OP hasn't asked for any. Read before you post.