Pre-roll

Format: MOV preferred, alternatively MP4, MPG, WMV or AVI. FLV not recommended.
Max size: 200 MB
Max lenght: 15 seconds (SHL.se only accept 15 sec)
Format: 4:3 or 16:9
Resolution: Preferred 1024x576 px or higher. At leadst 640x360.
Tracking: Added separately. Only 1x1 impression tracking and click URL. NO third party javascript or iFrame tracking.
We only accept VAST 2.0 Wrapper according to IAB Standard