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What are IABs?



You may have heard the term ‘IABs’ bandied about by ad professionals in the past and thought to yourself, what on earth are they talking about?


If you’ve tried googling IAB, you’ll have only been able to find information about the Internet Advertising Bureau (which is, technically, the source of this term) but clearly isn’t what ad professionals mean when they ask ‘where are my IABs?’


When we (ad people) use the term IABs we’re just referring to adverts that adhere to the starndardised set of size specifications that the actual IAB set out for everyone.


So, when you next hear ‘IABs’ you’ll know that it’s just industry jargon for regulation spec ads. Nothing too exciting!


The actual IAB specs (now, in 2022) are:

Ad Unit Name

Fixed Size (px)

Max kB: Initial Load

Max kB: Subload

Billboard​

970x250

250

500

Smartphone Banner

300x50 or 320x50

50

100

Leaderboard

728x90

150

300

Super Leaderboard/ Pushdown

970x90

200

400

Portrait

300x1050

250

500

Skyscraper

160x600

150

300

Medium Rectangle

300x1050

150

300

20x60

120x60

50

100

Mobile Phone Interstitial

640x1136 or 750x1334 or 1080x1920

300

600

Feature Phone Small Banner

120x20

5

N/A

Feature Phone Medium Banner

168x28

5

N/A

Feature Phone Large Banner

216x36

5

N/A

You can read more of the IAB's guidance on ad sizes here.

 

If you'd like some help with or guidance on designing and building IABs - just let us know!


Our team of digital ad specialists are always happy to chat and help!

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