| Producer | Mozilla Foundation  |
| Other robots of the same producer | Mozilla Metadata Service |
| Client of the same producer | Camino, Conkeror, Firebird (old name for Firefox), Firefox, Firefox (BonEcho), Firefox (GranParadiso), Firefox (Lorentz), Firefox (Minefield), Firefox (Namoroka), Firefox (Shiretoko), Firefox Focus, Firefox for iOS, Firefox Klar, Firefox Lite, Firefox mobile, Firefox Reality, Minimo, Mozilla, Phoenix (old name for Firefox), Shredder, Thunderbird |
| OS of the same producer | Firefox OS |
| Bot URL | https://developer.mozilla.org/en-US/observatory |
| Status |  Active |
Known variants
|
| Useragentstring | Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0 Observatory/129.0
|
| Category | Tool |
| First seen | 2025-10-08 17:38:17 |
| Last seen | 2025-10-08 17:38:17 |
| IP addresses | 2 |
| Walk from |
|
|
| Useragentstring | Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:98.0) Gecko/20100101 Firefox/98.0 Observatory/98.0
|
| Category | Tool |
| First seen | 2023-08-04 02:36:41 |
| Last seen | 2023-08-04 02:36:41 |
| IP addresses | 2 |
| Walk from |
|
Observatory
