| hostile entity | Noun phrase. A Web site, individual, or group of individuals systematically creating and/or promoting unfavorable content about a brand or personal name. Example: A Web site is a hostile entity if it produces or promotes more than one unfavorable article in a name space. |
| uniform resource locator | URL: The recognizable website address used to access a landing page. |
| nofollow links | links that do not have influence on the rankings of the linked site. To make a link a nofollow link, add the rel=nofollow attribute to the HTML of the link. |
| authorship | Noun. A method developed and implemented by Google whereby writers use a Google+ account to identify content that they have legitimately written and published. Such content is distinguished by the appearance of an authorized image of the content producer in search results next to appropriate listings. Google discontinued Authorship in 2014. |
| htaccess | A hidden server configuration file that help to rewrite or redirect URLs on sites running on Apache. |