URL: https://anibel.net

Browser / Version: Firefox 71.0
Operating System: Windows 10
Tested Another Browser: Yes

Problem type: Something else
Description: High CPU usage on Firefox
Steps to Reproduce:
Just open the site and sit for a few minutes on the first page. Laptop's fan ramps up, CPU load is always at 30-50%. Microsoft Edge do not have this problem. Stable Firefox has the same problem (and webrender makes things only worse)

From webcompat.com with ❤️