If you have access to the code, you can change from "no-follow" to follow.

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The link building are important build the relationship,send the referral traffic,brand building also improve your traffic,rank position.

Backlinks are one of the many elements in the Google algorithm to help determine your ranking for certain search keywords. As your ranking increases, you will likely see more traffic to your website.

Of course backlinks are only one of many elements for building traffic. Social media, Google Adwords, classified listings, YouTube videos, etc will help send traffic to your site, but will have little if not zero effect on your Google rankings.

Try to balance between many strategies and not just put all your focus on backlinks.

Kevin

Not sure whether it's your own site or not. If it's your site, you can easily change it. Also, always try to get links from sites related to your niche with semrush traffic and DR30+. You can create content for such sites and get high quality links and some traffic also.

What do you mean by "the" back link of the website?