| medium | A section of Google Analytics that combines Traffic Source and Traffic Mediums. Source: the origin of traffic to a website. Examples might include Linkedin, Bing, Google, Facebook, etc. Medium: the general category of the source, for example, cost-per-click paid search (CPC), web referral (referral), and organic search (organic). |
| penalty | See: Manual Action |
| clustering | the organising of search results when multiple listings appear for one website. Clustering also refers to the way search engines group different authorities on a certain topic together, showing their relationship. |
| penguin | Google Penguin is a series of algorithm updates designed to improve Google results. Penguin is considered to be an update that focuses on link related metrics. |
| search engine friendly urls | URLs which are seen as friendly to search engines: specifically looking at the characters and symbols that come after the domain name. Namely URLs which have characteristics such as being clean of unnecessary information and descriptive as to topic of the page. |
