How do I clear my cache?

You can find instructions on how to clear your cache for Mozilla Firefox here, Google Chrome here, Safari here, and Internet Explorer here.

If the Learning Navigator isn't loading properly for you or you are having trouble using certain tools like the question editor, we've noticed that it sometimes helps if you clear your cache or even refresh the page.

Apologies for the inconvenience! Don’t hesitate to email us at or submit a request if you've cleared your cache, and the site still isn't working.


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