For Mac OS users, there is a system setting that may not allow you to tab onto several types of elements in a web page. To change this setting:
What you say stays in here with the exception:
Someone wants to hurt you.
You want to hurt someone.
You want to hurt yourself.
https://www.schoolcounselor.org/asca/media/asca/PositionStatements/PS_Confidentiality.pdf