After being purchased by Snapchat, it appears that gfycat has been abandoned.
The Gfycat service is being discontinued. Please save or delete your Gfycat content by visiting https://www.gfycat.com and logging in to your account. After September 1, 2023, all Gfycat content and data will be deleted from gfycat.com
Is redgifs gone too then
It appears that Redgifs was acquired by a third party a few years ago. Not sure who, though.