[jfk13]

I don't recall running across video on gov.uk sites -- and offhand, can't think of any case where it would have been desirable.

[gchq-7703]

This is documented under the 'video' section on the publishing guidelines[0]. Videos are heavily dissuaded for a large number of reasons.

[0] https://www.gov.uk/guidance/how-to-publish-on-gov-uk/images-...