The “National Online Safety” website https://nationalonlinesafety.com publishes regular information posters for parents. We usually share them on Classdojo, but you can find links to them here as well:
A couple of posters suggesting recommended websites for children:
https://lidgetgreen.net/wp-content/uploads/2019/10/Apps-for-EY-KS1.pdf
https://lidgetgreen.net/wp-content/uploads/2019/10/Apps-for-KS2.pdf
Safety Guides from National Online Safety:
https://lidgetgreen.net/wp-content/uploads/2020/01/Minecaft.pdf
https://lidgetgreen.net/wp-content/uploads/2020/01/tiktok.pdf
https://lidgetgreen.net/wp-content/uploads/2019/02/MOMO-Online-Safety-Guide-for-Parents-FEB-2019.pdf
https://lidgetgreen.net/wp-content/uploads/2019/01/WhatsApp-Parents-Guide.pdf
https://lidgetgreen.net/wp-content/uploads/2019/01/Minecraft-Parents-Guide-091118.pdf
https://lidgetgreen.net/wp-content/uploads/2019/01/instagram.pdf
https://lidgetgreen.net/wp-content/uploads/2019/01/fifa.pdf
https://lidgetgreen.net/wp-content/uploads/2019/01/fake-news.pdf
https://lidgetgreen.net/wp-content/uploads/2019/01/apps-guide.pdf
https://lidgetgreen.net/wp-content/uploads/2019/01/Snapchat-Parents-Guide-V2-081118.pdf
https://lidgetgreen.net/wp-content/uploads/2019/01/Youtube-Parents-Guide.pdf
https://lidgetgreen.net/wp-content/uploads/2019/01/7-Conversation-Topics-November-2018.pdf