URL: https://whyevolutionistrue.com/2014/09/02/why-do-the-dots-disappear/?mc_cid=9447d80457&mc_eid=751988c900

Browser / Version: Firefox 94.0
Operating System: Mac OS X 10.15
Tested Another Browser: Yes Chrome

Problem type: Video or audio doesn't play
Description: There is no video
Steps to Reproduce:
The GIF in the article doesn't show up. Quoting Jesup, who reported this on Matrix:

If you open the gif in a new tab in chrome, copy the URL and open in firefox, it works. If you open the image in a new tab in Firefox, you get a black screen (and the URL is a data: URL, which is incorrect).

From webcompat.com with ❤️