I've neglected updating the manual for a while, but now it's up to date with improvements made in 1.3-1.5.
For the record, the google site verification is only for the search console. There're no google probes inside any pages.
A tag can only be a single word, and can only contain letters and numbers.
Select the tags you would like to remove:
You are going to block this site. This will do the following:
Are you sure you want to do this?