What are the available banner placements?

Banners on both mobile and desktop are displayed at the top of every page, with mobile ones below...

 What are the image dimensions for each placement?

The desktop banners should be 468x60 pixels, whereas the mobile banners should be smaller at...

 What image formats do you accept?

We can accept .gif, .jpeg or .png - with the maximum file size being 250 kilobytes.