The websites below provide more information on e-safety matters with sections especially dedicated to issues relating to parents:
www.childnet.com/parents-and-carers
http://www.internetmatters.org/controls/interactive-guide/
https://www.commonsensemedia.org
https://www.gocompare.com/broadband/parental-controls/
Below are links to sites relating to keeping your child safe when they are using media content on the internet: