This has similar functionality to Google Chrome's Personal Blocklist extension.
However, it does not currently sync with google.
Features:
- Allows you to block google search results based on hostnames & simple wildcards.
*.example.comwildcard format
- Allows you to remove google search redirects (optional).
Available here: https://addons.opera.com/en/addons/extensions/details/google-search-results-blocker?display=en or download in the downloads section.
To create an installable extension package, simply put all files in a zip, and change the extension to .oex .