Here are some useful links to support for parents with online safety:
https://www.internetmatters.org/ – support and tips to help children benefit from technology and the internet safely and smartly including how to set up parental controls
https://www.saferinternet.org.uk/advice-centre/parents-and-carers – tips, advice, guides and resources to help keep your child safe online
https://www.thinkuknow.co.uk – advice for different age groups about staying safe when you’re on a phone, tablet or computer
https://www.net-aware.org.uk -a helpful guide to social networks, apps and games
https://parentzone.org.uk/parents – resources for families, to help you meet the challenges of the digital age
These links have lots of information about helping your child stay safe online, and come recommended by the DFE and Brighton & Hove City Council.