Vimeo does that to most visitors sometimes. Click “refresh” a few times. Or try a new tab—sometimes that helps.
Stored riff: SF authors really didn’t predict what computers would be like. Not only didn’t they realize (for the most part) that computers would be used casually, but they tended to assume that the big problem with computers would be that they’d take over the world almost immediately.
No one guessed that there would be bookshelves in bookstores so that the more or less general public would have some chance of getting their home computers to do one thing and another.