Posted on November 14, 2016November 14, 2016 by DanWongBlack Hat, Gray Hat, White Hat https://searchenginewatch.com/sew/opinion/2214534/seo-101-meet-the-white-hats-gray-hats-black-hats-asshats https://designhammer.com/blog/17-black-hat-seo-techniques-avoid http://www.mykeblack.com/blog/seo/20-grey-hat-seo-techniques
