www.wysiwygwebbuilder.com

That seems to have solved the problem. Many thanks for your help.

Thanks, I'll try that. Because it's working fine as a video file everywhere else, I'll just insert that video into my video editing software just as it is and then re-encode.

Thanks for the suggestions, but it's exactly the same file that plays fine as a video file on YouTube (although I have simplified its naming to that used on YouTube). Also, like the other files on the same page, it has an mp4 extension, which I believe is a standard video file extension (as opposed ...

This is a real puzzler - at least for me!

I am building a music web page, which lists several musical videos. Each one has been placed into the page by inserting the WYSIWYG-supplied HTML5 video player (under "Insert") and they are each linked to an embedded mp4 video file. There are currently 7 ...