Essential terms and definitions relating to buying or selling advertising on the Web.
Tiny dots that make up a digital image. It is commonly used as a unit of measurement for Web design and advertising.
An ad that pops into a separate browser window that remains hidden until the visitor closes his current window.
An ad that appears in a separate browser window above the user's current window.
A website's written statement that explains what personal information is collected by the site and how that information will be used.
When users visits your website by clicking on a link from another website, that linking website is considered a referrer. Also known as referring site.
The amount of revenue a website generates per thousand page impressions. Also known as revenue per thousand (Mille is Latin for one thousand).
These are the pages a visitor sees when he inputs a search query into a search engine. SERPs will usually show a listing of titles and links to webpages, and a short summary of how each webpage is relevant to the visitor's search.
Unsolicited advertisements usually in the form of emails, blog comments, or forum postings.
Advertising message integrated into the editorial content or placed in a special context on the webpage. Also known as content integration or Web advertorial.
Measurement of how long visitors stay on a website. The most sticky websites usually feature highly compelling content and popular interactive elements.
A text ad with a link to the advertiser's website. The link usually includes the name of the advertiser or a call to action. Also known as a sponsored link.
