User Interface (UI)

A calculation of how much each ad click costs in a given ad campaign. CPC can be affected by the ad itself, or by its competitive environment. If an ad is targeted at a high-volume search term, for example, more companies may be bidding for ads related to that search, thus driving up the price.

The percentage of users on your website that leave the site without taking a single action. While no website has a 0% bounce rate, a high bounce can indicate that your site - or a particular page on a site - is not delivering the information that the user expected to see when they visited it.

Open Rate is the percentage of people who open a mass email sent by a brand or individual. Open rates can be monitored and analyzed to assess for deficiencies in email quality and relevance to the audience.