This is a rate limit error, typically it comes from a detected session overload. This could be prompted by clicking on a particular content item too many times or too many sessions coming from the same IP address.
If you are an individual user who has received this message, please walk through the troubleshooting steps found here.
For anyone using Codecademy in the classroom to teach, we really appreciate your use of our platform. However, you may run into trouble if you have many learners that need to register or log in at the same time.
It is common for schools to use a network configuration that identifies itself to outside networks with a single IP address rather than as individual workstations. The sudden increase in combined traffic originating from a single IP address may be interpreted by our system as an attack that will trigger countermeasures.
If you encounter this issue or wish to prevent this issue in advance, and cannot set up access to the internet from individual IP addresses, please contact us, providing the IP address for the classroom as well as a contact email address.
We will verify your information and attempt to provide a solution specifically for your school.