| Used Operating Systems |
| 1 | 2008 | 39.75 | 1846 | 52.80 | +http://www.baidu.com/search/spider.html |
| 2 | 1416 | 28.03 | 1077 | 30.81 | Windows NT |
| 3 | 582 | 11.52 | 254 | 7.27 | +http://ahrefs.com/robot/ |
| 4 | 459 | 9.09 | 178 | 5.09 | +http://www.bing.com/bingbot.htm |
| 5 | 292 | 5.78 | 68 | 1.95 | +http://www.google.com/bot.html |
| 6 | 256 | 5.07 | 59 | 1.69 | +http://yandex.com/bots |
| 7 | 15 | 0.30 | 6 | 0.17 | ScoutJet; +http://blekko.com/about/blekk... |
| 8 | 12 | 0.24 | 3 | 0.09 | MirrorDetector; +http://yandex.com/bots |
| 9 | 5 | 0.10 | 1 | 0.03 | Windows 98 |
| 10 | 4 | 0.08 | 2 | 0.06 | +info@netcraft.com |
| 11 | 2 | 0.04 | 2 | 0.06 | Linux [unknown version] |
| 12 | 1 | 0.02 | 0 | 0.00 | Linux i686 [unknown version] |
