https://forums.opera.com/topic/527/tips-and-tricks-to-keep-opera-12-xx-relavent/4?lang=en-US
Tips and tricks to keep opera 12.xx relavent? | Opera forums
Apr 20, 2014 - greekonsun the only problem you might have with pages that use crap unoptimized scripts and browser sniffing/blocking scripts That's easily solvable problem.
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