[dang]

There were! That would likely be the issue then.

What do I need to do to make /favicon.ico available as a fallback?

[slymax]

https://news.ycombinator.com/favicon.ico would need to return the favicon instead of 404 Not Found

[dang]

I've put it back. Does it work now?

[slymax]

Yes, it's working again. Thank you!