I have a .webm file that displays near the top on the desktop version of my website here.
This is an example or what it looks like
For a quick second as you reload the page, you see a black box with the message "No video with supported format and MIME found" before the .webm file proceeds to load. You can see what I mean here:
This is what you see quickly on a reload
Is this a normal thing to happen with .webm files on Wordpress websites or is there a way to fix this so it doesn't display?