https://retrozone.co/forums/images/generic/favicon.png)
Currently 20x20 PNG, when it should be 16x16, 32x32, or larger. Dimensions listed here.
https://stackoverflow.com/questions/4014823/does-a-favicon-have-to-be-32x32-or-16x16
Not a major issue, but it's irksome to see the default HTML icon...