found nice link from 2012 https://opera.uservoice.com/forums/4259-general/suggestions/3366053-don-t-load-tabs-until-selected with some angry guy "I suggest you ...developers...just Fuck Off with this AUTOFUCKINGMATIC self-loading tabs issue!
I bet you just sit there and laugh BIG TIME of us suckers who use this shitty Web-reader you created after you sniffed a few stripes!
I even bet you don't use this shitty web-reader you're self, because of this problem, and use Madzilla Problemfox you too!
What is your problem???
Why don't you fix this issue???"