It is very important that you know how to be safe online.
If something upsets you online or you are worried about a friend it can really help to talk to someone. There are lots of people who can help you.
Always tell a trusted adult if anything has upset you or made you feel uncomfortable whilst online.
You can ALWAYS call Childline if you need to speak to someone in confidence. They NEVER close!
These websites have some great games to play, and help you learn about online safety at the same time!