- Official basic tips: http://www.opera.com/support/tutorials/tips/
- Official basic tips for Nintendo DS browser: http://www.opera.com/products/devices/nintendo/ds/tips/
- Tamil's Opera FAQ's, Tips, Tricks & Tweaks: http://my.opera.com/Tamil/blog/
- Opera wiki: http://operawiki.info/OperaTips
- 18 illustrated tips: http://www.aimwell.org/Help/Tips/tips.html