Clickthrough Rate (CTR)

In general, an algorithm is a set of instructions that is assigned a specific analytical task. It most often applies to mathematics and computer science.

For websites and digital marketers, algorithms refer to the many programs designed to analyze and assess either a website, individual digital elements, or user behavior on a site. Based on this data, the algorithm could then be designed to rank a website, list a web element as a search result, or suggest content to a user, such as on Youtube or Facebook.

A calculation of the cost for an ad or marketing campaign, compared to the amount of trackable revenue it provided for the company. ROI is an important metric for many campaigns, because it relates directly to the profitability of an ad or project.

Sometimes revenue can’t be tracked precisely and attributed to an ad or campaign, though many digital ads are now able to provide this granular tracking to aid in business decisions.

An SSL Certificate is a digital certificate that authenticates a website with browsers and search engines, and allows the site to have an encrypted connection. A lapsed certificate license will usually result in a loss of traffic as warnings for users block entry to the site.