Display Advertising Display Advertising Ad Formats and Placements 3

Question 1

What defines an 'expandable' banner ad unit?

Accepted Answer

An ad that increases in physical dimensions when a user hovers over or clicks it

Answer

Expandable ads start at a standard size and enlarge to reveal additional content or interactive features when triggered by a user action like hover or click.

Question 2

Which ad format is specifically designed for mobile screens and commonly appears as a horizontal bar at the top or bottom of an app or mobile browser?

Accepted Answer

Mobile banner (320×50)

Answer

The 320×50 mobile banner is the standard IAB mobile ad unit, optimized for smartphone screens and typically anchored at the top or bottom of mobile viewports.

Question 3

What was the main reason the industry shifted from Flash-based display ads to HTML5 ads?

Accepted Answer

HTML5 ads work across all browsers and devices without requiring plugins

Answer

HTML5 eliminated the need for the Flash plugin, enabling display ads to run natively across all modern browsers, operating systems, and mobile devices.

Question 4

According to IAB guidelines, what is the recommended maximum initial load file size for a standard HTML5 display ad?

Accepted Answer

150KB

Answer

IAB's LEAN (Light, Encrypted, Ad choice supported, Non-invasive) standards recommend a 150KB maximum initial load for standard display ad units to protect page performance.

Question 5

What is an 'interstitial' display ad format?

Accepted Answer

A full-screen ad that appears between pages of content or during app transitions

Answer

Interstitial ads are full-screen units served at natural content transitions (such as between article pages or game levels), delivering high impact before the user proceeds.

Display Advertising Practice Test

Display Advertising Practice Test

Display Advertising Display Advertising Ad Formats and Placements 3