| bow-to-stern latency | Noun phrase. The amount of time that elapses from when a search engine caches the deepest reachable page after the last time it caches the root URL of the site. |
| source | 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). |
| external link inventory | The number of links that point to your website from other sites. |
| content scraping | Content Scraping is the blackhat SEO process of mass collecting content from the web and posting it on a website. The webmasters that use these techniques try to get their content indexed first, so that the other site looks like the duplicate. |
| cost per action | (CPA) A method of measuring the effectiveness of online advertising. A monetary value is assigned to a specific action, which can be anything from a click to a user submitting their personal information. This structure is often utilized by affiliate marketing programs. For example, an affiliate marketer will get paid a certain amount of money every time a user clicks a certain ad. |