ShieldsIO Badges not rendering

I copied some Shields.IO badges from a GitHub repo, but they aren’t getting rendered. I attempted through the Badges interface and embedding in my Looking in the dev console, they’re getting a 504.

Project link

Just noticed the same issue today with existing badges that worked previously. Have you found out any more about this problem?

No, I have not. I’m on the free tier, so this is my only support option, apparently?

This is still an issue, over two weeks later. What are my options to get this addressed.