hmmm ublock for me (on opera) doesn't block the frame where the ad is so I see an area on the page with "cannot be displayed" so for me it looked like adblock p

hmmm ublock for me (on opera) doesn't block the frame where the ad is so I see an area on the page with "cannot be displayed" so for me it looked like adblock plus is still the better option; is there one area where ublock better than adblock?