nim forum fails to load on firefox, works on brave
### Description

try to load any thread, e.g. [the version 2 releaase thread](https://forum.nim-lang.org/t/10366)

![image](https://github.com/nim-lang/Nim/assets/10324554/420560c3-104a-49cb-a6ac-d5b9ee0b8923)

works in brave and chromium

### Nim Version

n/a

### Current Output

_No response_

### Expected Output

_No response_

### Possible Solution

_No response_

### Additional Information

_No response_