Please be sure you are accessing the exam on a computer AND browser that are up-to-date and that your internet connection is stable before you attempt to access an online exam or course.
Unfortunately, it is very difficult to pinpoint the root cause of internet speed related issues because there are many variables: browser, software, hardware, internet connection, connection to our servers, etc. So, our options are often limited, but we are here to help if you are experiencing issues and will do our best to recommend a solution: info@cicerone.org.