If the site is slow or not working, advise your students to check their internet connection and whether or not they are using the most recent versions of their browser. The site works best with more recent versions of browsers. We recommend using the most recent version of Google Chrome. 

We don't support FireFox at the present time.

If you are having problems with your browser, see our troubleshooting page below ('What should I do if my video or quiz is not working properly?'.