HTML5 ads

File Types 
Formats: ZIP containing HTML and optionally CSS, JS, GIF, PNG, JPG, JPEG, SVG

Priority ad sizes include: 728x90, 300x250, 160x600, 120x600, 300x600, 300x50, 320x50

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HTML5 ads created in Google Web Designer

Screen Shot 2017-11-10 at 1.11.58 PM.png

All other HTML5 ads

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When uploading a .zip folder, the maximum number of files included is 40.

Keep in mind

UTF-8 must be used for non-ASCII characters

More info