We aim to uphold a minimum standard (level AA) of The World Wide Web Consortium (W3C) Web Content Accessibility Guidelines.
Non-W3C formats (Flash, PDF, etc) or multimedia will only be used where they are the most appropriate format for the content in question.
Where non-compliant content is provided reasonable effort will be taken to make accessible and equivalent alternatives available.
Changing your settings
You can find guidance from the BBC about: