Bit Rate Mode Detector

Upload your video ad to determine if the bit rate is variable or constant.

Check 24+ ad quality tests for ad performance — validate against IAB video ad guidelines

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Ad Tag

VAST

Video

Image

Audio

smart_display settings_system_daydream panorama

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MP4, WebM, MOV, AVI, MPG, 3GP

Validate against:

Ad Spec: IAB Ad Guidelines

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Video Bit Rate Mode

The bit rate mode determines wether or not the amount of data stored per second remains constant over time.

Why do we test it?

Contant bit rates means that the amount of data your device has to load every second remains the same. It's therefore more reliable on slow networks. Variable bit rates result in higher quality, but the data stream will not be contant. If bandwidth is not an issue, variable bit rates are generally preferred.