Question
Which are the ad sizes supported for HTML5 ads?
Answer
Here is the list of ad sizes available for HTML5 Ads:
320 X 50 Mobile leaderboard
468 X 60 Banner
728 X 90 Leaderboard
250 X 250 Square
336 X 280 Large rectangle
300 X 250 Inline rectangle
120 X 600 Skyscraper
160 X 600 Wide skyscraper
300 X 600 Half-page
970 X 250 Billboard
234 X 60 Half banner
180 X 150 Small Rectangle
120 X 240 Vertical Banner
125 X 125 Square Button
180 X 60 Rectangular Button
120 X 60 Tiny Rectangle
200 X 200 Mid Square
88 X 31 Micro Banner
300 X 100 3:1 Rectangle
645 X 60 Facebook Banner
400 x 80 Email Banner
500 x 100 Email Medium Banner
For further information about the HTML5 ad requirements and to learn more, check out Rich Media Ads.