Changing Ad Size Based on Browser Width in DFP

Question

In DFP Small Business / DoubleClick, I generated the following ad tag for an ad unit with three different sizes along with one creative for each specified sizes. So there are th

Answer 1

You cannot really control the width of the line-item that will be served to the user based on his device width/height straight from dfp configuration.

What you can do is - . While triggering the ad specify the size according to the device width/height. For e.g if the device is smaller than 600px in width then only use the smallest ad size to trigger. E.g

 if(window.innerWidth < 800){
     googletag.defineSlot('ADID', [[292, 195]], 'domid')
  }

Check these two demo links, they trigger the same adunit with different sizes.

320x50 - http://tinyurl.com/q2x3562

300x250 - http://tinyurl.com/o3vx4qk