Link building, simply put, is the process of getting other websites to link back to your website. All marketers and business owners should be interested in building links to drive referral traffic and increase their site's authority.
Link building is still the best way to improve search visibility.
Links aren’t going away anytime soon, and might in fact be the litmus test for future signals.
Building links can increase brand exposure.
Link building naturally goes hand in hand with other online marketing activities.
Link building can help create and propel new relationships.
Links send positive signals to Google, and can help improve a bad backlink profile.