Just something I noticed when I wanted to continue a course. One of the bars says 57%, the other 58%. So they don't use the same formula to calculate the percentage, or have a different rounding setting (like one round-up on .5; and one round-down on .5), or something like that.
Nothing that needs priority or even needs fixing to begin with, but it was just something I noticed and I decided to post it here.
PS: I was forced to pick a category, and general / codeacademy website itself wasn't available as an option.