Install the following;

Greasemonkey: https://addons.mozilla.org/en-US/firefox/addon/greasemonkey/

Snaplinks: https://addons.mozilla.org/firefox/downloads/latest/332432/addon-332432-latest.xpi?src=dp-btn-primary

Reboot firefox.

Then grab these

https://bit.ly/2WV1hcZ - referrer close it

https://bit.ly/2ZFpkPb - close it

Final & most important thing

In the address bar type (where you type www.example.com)

about:config

go past the warnings

look for dom.allow_scripts_to_close_windows

set it to true

Reboot browser then login to Yarolds.

I recommend you set the delay in Snap Links to 1250ms

Click between all exchange pages. Interact with any links that don't close (CARE links will be there).