Ad Specifications

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Millennial 3rd Party Rich Media Banners [Features Multiple Banner Ad Dimensions]


A rich banner ad is an ad unit that can incorporate rich media features. The ad unit can utilize functions such as the accelerometer, HTML5 animation, countdown, location aware, dynamic feeds, etc. and link to a wide variety of actions, including a mobile site, app store, video, etc. 

Spec Classification: 
Rich Media
Spec Placement: 
Millennial Media
File Type: 

Only ad units supplied by approved third party rich media vendors are accepted. Raw code files (HTML, JS, CSS, etc.) are currently not accepted 

Total File Size: 
20-50KB depending on art size (see key creative guidelines below)
Max Animation Time: 
:15 Seconds max
Third Party Serving: 


Key Creative Guidelines: 

Ad Dimensions             Max File Size

300 x 250                        50 KB

728 x 90                          50 KB

480 x 75                          25 KB

480 x 60                          25 KB

320 x 50                          25 KB

300 x 50                          20 KB

3rd Party Served 
- All file size limitations apply to font, image, audio, and video files only. Javascript libraries delivered via a CDN are excluded from a file weight
- Only ad units supplied by approved third aprty rich media vendors are accepted. Raw code files (HTML, JS, CSS, etc.) are currently not accepted
- Use of high res images depends on capabilites of the vendor
- For audience targeted campaigns please work with the rich media venor to implement ad choices icon

- Smartphone: iPhone, Android, iPod Touch
- Tablet: iPad, Android Tablet

In-browser, In-app

Safe Content Area 
To consider button placements and varying screen sizes, constrain all necessary information into the provided safe content area when designing the end card. The space outside of the safe content area should act as a bleed that may be cropped into according to screen size. 

- Provided by 3rd party vendor

Supported Countries: