Accepted file types: .jpg, .gif, .png and HTML5
We recommend creatives to
be animated rather than still
have a clear contrast
have a clear message
have a call to action
campaigns to have 3-5 formats to ensure reach
to keep weight as small as possible to ensure fast load times. Bigger formats will obviously need more weight, but less than 300 kb is a good rule of thumb.
Below are some format recommendations for the Nordic countries.