We’ve been getting reports of server errors from some users. To fix this, we’ll be taking down the site at 4:30 pm PDT on Thursday 4th August (tomorrow!). We expect to be back online by 10pm (or earlier) the same day.
While the site is down, you will still be able to view all of our videos directly on YouTube. We’ll still have a simple version of our homepage up, but you won’t be able to do exercises, gain points or earn badges while the site is undergoing maintenance.
Once we’re back online, the site should be much more reliable. Apologies for the late notice, and thanks for your patience!