Дополнения

Startpage (SSL) от SSL Search Bar

Startpage is a search engine that does not collect or share personally identifiable information. This search bar add-on utilizes SSL to protect searches between You and Startpage.

Примечание подборщика "The worlds most private search engine," is what they claim, though some would argue they are not or that it's impossible to know. Includes a free web proxy service from search results.

RequestPolicy от Justin Samuel

Осуществляет контроль разрешенных межсайтовых запросов. Повышает конфиденциальность веб-серфинга. Защищает вас от подделки межсайтовых запросов (CSRF) и других атак.

DuckDuckGo (HTML SSL) от DuckDuckGo

DuckDuckGo is the search engine that doesn't track you. We also have smarter answers and less clutter. This extension adds DuckDuckGo (non-JS HTML version) to the search bar. For more features, see the DuckDuckGo Plus add-on. Enjoy!

Примечание подборщика Java free version. Very handy with NoScript.