A small piece of data sent from a website and stored in a user’s web browser while a user is browsing, which allows tracking of the user’s activity in terms of interaction with the website (Source)

An experimental approach to web design (especially user experience design), which aims to identify changes to web pages that increase or maximize an outcome of interest; also referred to as Split testing (Source)

Text of an advertising message that aims at catching and holding the interest of the prospective buyer, and at persuading him or her to make a purchase all within a few short seconds (Source)

A Google AdWords setting that determines how quickly you want Google to use your budget each day: either spread throughout the day (standard) or more quickly (accelerated), which affects when during the day your ads are likely to show (Source)

A feature that displays extra business information with your ad such as an address, phone number, more web page links, product images and pricing information (Source)

A subset of a campaign composed of keywords, ads and bids that is a key part of how your account is organised (Source)

The order in which your ad appears on a page in relation to other ads (Source)

A value that’s used to determine your ad position, calculated using your bid amount and Quality Score (Source)

A Google AdWords setting that determines how often Google delivers your active ads in relation to one another within an ad group, whether optimized either for clicks or conversions, or rotated more evenly (Source)

A feature that lets you specify certain hours or days of the week when you want your ads to show; also known as Dayparting (Source)