bbc.com ad specs

Portrait

Availability	On BBC News, Sport, Travel, Future Story and Index pages only.
Dimensions (w x h)	300 x 1050 pixels. Expansions max 600 x 1050 pixels.
File Size	Initial file size = 80kb. Total file size - 400kb (without video), 1MB (true video streaming only, progressive download must be on user click).
Accepted Ad Formats	Flash and video. Back-up image. Default GIF/JPG = 40kb max. Initial flash = 80kb max.
Animation	Max 30 seconds.
Video and Audio	Video is allowed, it must be progressive load, not streaming. auto-play video can only last 30 seconds (max 1MB), user can have the option to "Click to continue", "Click to play", or "Replay". Audio must always be user initiated.
3rd Party Acceptance	Yes. Please see the list of approved vendors in the PDF below.
Execution Guidelines	Frequency cap: one ad per user per 48 hours. Expansion is permitted but must be clearly marked as click or rollover to expand. Interaction on user initiation only. All other display ad units on page must collapse when 300 x 1050 pixels appears.
Ad Submission Requirements	7 working days SLA is required.
Editorial Approval	Our editorial guardian will review and approve the creative prior to the start of the campaign. BBC Worldwide reserves the right to refuse any advertisement or campaign which is deemed annoying and/or harmful to our users at any time.