URL: http://www.themostamazingwebsiteontheinternet.com/

Browser / Version: Firefox Nightly 79.0a1 (2020-06-06) (64-bit)
Operating System: Windows 10
Tested Another Browser: Yes Chrome

Problem type: Something else
Description: Animations don't run smoothly in Firefox
Steps to Reproduce:
Images and animations in the HTML text contained in the web page move considerably slower in Firefox than in Chrome. In Chrome, all animations are fluid, playing at 60 frames per second. In Firefox, on the other hand, you can see that it is going at less frames per second. WebRender is enabled.

View the screenshot

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