My roommate’s computer also had the same problem when browsing Codecademy since this morning.
I was able to use Codecademy this morning but encountered this problem later today.
Same problem even on Brave, Chrome & Firefox.
Starting from Codecademy homepage - not fully displayed:
It seems to be ok when I click on “View Syllabus”:
But When I click on a course (Resume), it turns dark like this and does not load anymore:
I don’t think it’s internet connection problem because just Codecademy has this.
I will provide more information if needed, please tell me what to do next.