Which backlinks should be avoided?

Backlinks are an important part of SEO, but there are a few types of backlinks that should be avoided. First, avoid backlinks from spammy websites. These are typically websites that are full of low-quality or duplicate content, or that are trying to game the system by buying backlinks.Second, avoid backlinks from websites that are not relevant to your site. These backlinks will not help your SEO and could actually hurt your rankings. Finally, avoid backlinks from websites that are not trusted or reputable. These backlinks could get your site penalized by Google.