* Firefox about:config
| Option                                   | Value | Description                              |
|------------------------------------------+-------+------------------------------------------|
| privacy.donottrackheader.enabled         | true  | Send Do-not-track                        |
| findbar.highlightAll                     | true  | Highlight all partial results in search  |
| browser.sessionstore.max_resumed_crashes | -1    | Do not show "Upps, we could not recover" |
|                                          |       |                                          |