Error Codes, Terms, Acronyms... They're all here — in alphabetical order!
301 Redirect
• This means that a page or another internet resource has been moved permanently.
Example: I'm seeing a message that says, "301 redirect."
302 Redirect
• This means that a page or another internet resource has been moved temporarily.
Example: This page says, "302 redirect."
404 Error
• If you click on a link and reach a 404 titled-page, you have actually reached a page that is no longer available on the site (and an error returns to the server).
Example: I tried your link and got a "404 Error."
A/B Testing
• An experiment where two or more variants of a page are shown to users at random, and statistical analysis is used to determine which variation performs better for a given conversion goal. Also known as "split testing."
Example: I did an A/B test and found that my original page performed better.
Abandonment Rate
• The percentage of tasks that are abandoned by the customer before completing the intended task.
Example: How can I improve the abandonment rate in my cart?
Above The Fold
• Positioned in the upper half of a web page and so visible without scrolling down the page.
Example: Make sure your opt-in form is above the fold.
Ad Blocking
• The action or practice of using a special piece of software to prevent advertisements from appearing on a web page.
Example: With ad blocking so widespread, how can I get my message out?
Ad Exchange
• Where publishers meet advertisers and agree on a price to display their ads. This haggling process generally is done electronically based on supply and demand.
Example: Occasionally the ad exchange makes my ads affordable.
Ad Extensions
• Additional pieces of information that expand your advertisement to make it more useful to users. Ad extensions typically include telephone numbers, additional links from your website, seller reviews.
Example: I think your ad might get better response if you added some ad extensions.
Ad Scheduling
• An ad schedule allows you to display ads or change bids during certain times.
Example: I think I need to test a new ad schedule to see if I can increase my conversions.
Ad Server
• An ad server is the ad technology that enables the management, serving, and tracking of an ad or internal promotion on one's digital properties. Ad servers decide, in real-time, the best ad to serve based on relevance, targeting, budgets, and revenue goals.
Example: I don't try to guess what ad to display, I just rely on my ad server.