Non-reciprocal liking, or backlinks, is an important part of Search Engine Optimization. This is something that is not within your control.

Having legitimate sites linking back to your site gives your website additional “votes” that encourage the validity of your website and further readability of the algorithms within search engines.

The best way to go about getting non-reciprocal linking is to do it yourself on your website with other sites. Backlinking to other sites that have legitimacy and are related to the content within your website will, ideally, encourage more traffic to your site.

With more traffic to your site there should be more interest in your product or business and people will inevitably link to your site non-reciprocally.