The success of a parent has "nothing to do with being gay or straight", a children's charity has said.
Interim chief executive of Action for Children, Jacob Tas, said:
Campaigners have warned that a crackdown by Microsoft and Google on internet searches for child abuse images will not stop paedophiles using the web to share photos and videos.
Shaun Kelly, head of safeguarding at Action for Children and a member of the UK council for Child Internet Safety said: "This is a positive leap forward in the fight to keep children safe online.
"However, we must ensure that this level of work is maintained and remains at the forefront of internet protection".