"GoGuardian is an educational software company founded in 2014 and based in Los Angeles, California. The company's services monitor student activity online, filter content, and alert school officials to possible suicidal or self-harm ideation. -Wikipedia"
The Google Chrome Extension "GoGuardian" code is now been posted on Github, for anyone to use.
Have fun.NOTE: This code is NOT mine. It is property of their respective owners.