Error: Lost connection to Codecademy


I would try the programming language HTML but then this error came: ‘Lost connection to Codecademy’. Does someone knows a solution?

Operating system: Windows 10 Enterprise
Browser: Google Chrome

I don’t use any VPN or something.

Please help me and others with this problem.


I am having the same issue with the Python course.

Edit: I have tried switching browsers, restarting browsers and clearing cache.


Same here, with Python and Ruby courses. I am a high school computer teacher, and the problem is happening for all users over various platforms. We’re stymied!


Dear all,
I found the problem:
I have this problem at school, at home it just works. Probably is it the firewall of the school/work where you are.
To solve, someone has to add this domains:
If im right, it does work now