Why "Four Dots" Backlinks Have an 80.23% Survival Rate: A Practical Deep Dive

https://memeburn.com/2016/03/5-startups-that-will-help-you-automate-seo-related-processes-in-2016/

1. Why four dots backlinks deserve your attention: the 80.23% survival story When someone reports a backlink survival rate of 80