Firefox has built-in functionality for this and, far as i know, i believe all/most other mainstream browsers do as well - some people still prefer and add-on ( i preferred Smart HTTPS ), but this is not strictly required
Yup, absolutely.
This was still in it's infancy when I first wrote this list, hence the discrepancy - but I will include an update to this in the next PR :)
re: HTTPS-Everywhere
Firefox has built-in functionality for this and, far as i know, i believe all/most other mainstream browsers do as well - some people still prefer and add-on ( i preferred Smart HTTPS ), but this is not strictly required