StartPage Extension for Opera
This is a simple extension for Opera what adds the keyword "sp" and the context menu item to do search queries using StartPage.
For convenience of using StartPage, the extension supports the following options:
Obfuscated key (prf)
your personal search key that can be generated on the setting page of StartPage.com
prefer to use "POST" requests instead of "GET" requests. The option works only with the keyword, and sometimes your "post" request cannot be executed due to Content Security Policy.
display query suggestions of StartPage in the omnibox.
Block particular search engines
redirect your search request from a blocked search engine to StartPage. Search engines which are available for blocking:
So, if you want to test the extension yourself, just use yarn or npm to install dependencies, and run the 'build' script.
Feel free to ask any questions that you have about using and developing the extension.