| eat | (Expertise, Authority, Trust) Factors that Google use to measure the quality of a page and determine its rankings. |
| astroturfing | No, this term does not refer to the fake grass used so frequently in sports arenas. It refers to something that is consider the opposite of full disclosure. Astroturfing is when a site is trying to advance a commercial or political agenda while attempting to be impartial in a social group. |
| piracy | Search engines aim to reduce the organic search rankings of content that infringes on copyright. Google introduced a filter in 2012 that reduces the visibility of sites reported for numerous DMCA-related takedown requests. |
| html sitemap | A list of all pages in a website that helps to improve navigation for both the users and search engine bots. |
| eighty-twenty rule | This is a rule that suggests that eighty percent of one particular product will be sold to twenty percent of the customers. This is usually within a store/shop that sells other products too. |
