Traps network errors, shows user a friendly error page allowing return to the previous page, allows to block new windows and tabs.
Benevolist
https://storylines.news
BoostPic
www.meta-press.fr
hcsd.contrsurvey
https://flozable.com
admin
dev.efficiently
https://myapiary.io
camface.developer
https://iteratingly.com
https://proctor360.com/
