Summary of Key Differences
| Key Differences | Chrome 7 | Firefox 3.6 / 4.0 Beta 6 | Internet Explorer 8 / 9 Beta | Opera 10.6 | Safari 5 |
|---|---|---|---|---|---|
| Can be persistently configured to clear all browsing data | Limited | Yes | Yes | Limited | Limited |
| Can delete the browsing history for a specific site | No | Sub-domain level | No | No | No |
| Referring URL can be disabled | No | No | No | Yes | No |
| Privacy mode can be set to automatically start when browser is launched | No | Yes | No | No | No |
| Third-party cookie default setting | Allowed | Allowed | Allowed | Allowed | Disabled |
| Blocking third-party cookies / accepting cookies only from site visited prevents acceptance of third-party cookies | Yes | Yes | Yes | No | Yes |
| Blocking third-party cookies / accepting cookies only from the site visited prevents first-party cookies from being used later as a third-party cookie | No | Yes | No | No | No |
| Controls for DOM storage settings |
|
No |
|
|
No |
| Controls for other local storage | No | No | No | No | No |
| Provides a geolocation indicator | Yes | No | NA1 | Yes | No |
| Centralized management of geolocation permissions | Yes | No | NA | No | No |
1Geolocation privacy controls are not applicable to Internet Explorer 8 and 9 Beta because they do not support geolocation service.
