https://forums.opera.com/topic/17560/adblocker-domain-exceptions-should-not-strip-out-www-subdomain/1
adBlocker domain exceptions should not strip out www subdomain | Opera forums
Oct 14, 2016 - There are some sites for which the www subdomain is not merely an alias for the base domain, and where you may wish to whitelist the www subdomain without...
domain exceptionsshould notstrip outadblocker