User Agent String explained :
 Opera 12.14 | |
|---|---|
| Mozilla | MozillaProductSlice. Claims to be a Mozilla based user agent, which is only true for Gecko browsers like Firefox and Netscape. For all other user agents it means 'Mozilla-compatible'. In modern browsers, this is only used for historical reasons. It has no real meaning anymore |
| 5.0 | Mozilla version |
| Windows NT 6.0 | Operating System:  Windows Vista |
| rv:2.0 | CVS Branch Tag The version of Gecko being used in the browser |
| Gecko | Gecko engine inside |
| 20100101 | Build Date: the date the browser was built |
| Firefox | Opera pretends to be Firefox |
| 4.0 | Firefox version |
| Opera | Name : Opera |
| 12.14 | Opera version |
| First visit: | 2013.02.12 09:25 |
| Last visit: | 2025.08.21 08:45 |
All Opera user agent strings | |