Voted. 
Could add the options,
1) Exclude current site this visit only.
2) Add current site to the exceptions list permanently.
+ 1 for the OP and the above
.. and add to that wishlist ..
3) Remove Current Site from the Exceptions listOr maybe better - This option would change so that a site not added to the exception list would have ..
2) Add current site to the exception list
and if the site aleady is in the exception list ..
2) Remove current site from the exception list