Opera users need to enable the 'Reputation icons next to links' feature from the extension page.
Reputation icons are shown on popular search engine results, social media platforms, email, shortened URLs, and many popular sites to represent website reputation on WOT.
This is how
- Enter to opera://extensions or Right-Click on WOT extension icon and choose "Manage extensions"
- Find the WOT extension
- Enable"Allow access to search page results" (as below)
- Start browsing the web safely