If you remember after the famous Google Panda and Google Penguin updates, link building was significantly revolutionized by the introduction of new, more pure and reliable methods by Google. Likewise, SEO professionals are now suggesting that anchor text is perhaps diminishing in significance and is now being replaced by co-citation and co-occurrence, as many SEO professionals and analysts believe. Now CO-Citation and Co-Occurance is the next big thing in SEO.

co-citation

Read full article at searchenginejournal.com to know about Co-Citation and Co-Occurance.