Children's charity Action for Children welcomed the steps taken by Ask.fm today, saying they could not come "soon enough".
Matt Downie, head of campaigns and public affairs, said: "To have the ability to report abuse - which must be made clear - and have all cases looked into within a 24-hour window will help to address what young people are facing on a daily basis.
"We hope that the dedicated site Ask.fm has pledged to create will help parents understand how young people are communicating with each other, and that this becomes best practice for all social networking sites.
"It's important that parents talk to their children about their online experiences, to understand who they are contacting and what activities they are engaged in.
"As part of this they should continue to discuss what risks there are online and how they can be addressed."