| isapi | Internet Server Application Program Interface, is a set of Microsoft Windows program calls that let you write a Web server application that will run faster than a common gateway interface (CGI) application |
| guest blog | A content strategy that sees an individual or organisation create content to be hosted on an external website, usually with a link back to their own. Guest blogging can be powerful if used properly but, like with many SEO techniques, it led to a proliferation of spammy blogs and thin blog content which was designed to game rankings rather than offer any value to human users. |
| google penguin algorithm | A major Google algorithm that launched in April 2012, it was followed by a series of updates and refreshes. The goal of Penguin was to reduce the visibility of overly-optimized sites, or sites that excessively abused certain spammy tactics (e.g., building low-quality links, keyword stuffing). In 2016, Penguin started running in real-time as a part of Google’s core algorithm. |
| e commerce site | These types of web sites are those devoted solely to retail sales. |
| proximity | See Keyword proximity |