| Used Operating Systems |
| 1 | 3295 | 29.19 | 737 | 15.86 | +http://www.google.com/bot.html |
| 2 | 2941 | 26.05 | 2204 | 47.44 | +http://www.baidu.com/search/spider.html |
| 3 | 1935 | 17.14 | 1029 | 22.15 | Windows NT |
| 4 | 1424 | 12.61 | 62 | 1.33 | +http://yandex.com/bots |
| 5 | 807 | 7.15 | 371 | 7.99 | +http://www.bing.com/bingbot.htm |
| 6 | 520 | 4.61 | 162 | 3.49 | +http://ahrefs.com/robot/ |
| 7 | 96 | 0.85 | 6 | 0.13 | MirrorDetector; +http://yandex.com/bots |
| 8 | 49 | 0.43 | 10 | 0.22 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 48 | 0.43 | 0 | 0.00 | Solaris 2.4.x |
| 10 | 42 | 0.37 | 21 | 0.45 | +http://www.exabot.com/go/robot |
| 11 | 38 | 0.34 | 19 | 0.41 | ezooms.bot@gmail.com |
| 12 | 32 | 0.28 | 11 | 0.24 | Windows 98 |
| 13 | 30 | 0.27 | 0 | 0.00 | +http://www-935.ibm.com/services/us/inde... |
| 14 | 11 | 0.10 | 6 | 0.13 | Windows 95 |
| 15 | 8 | 0.07 | 0 | 0.00 | +http://filterdb.iss.net/crawler/ |
| 16 | 4 | 0.04 | 3 | 0.06 | Windows CE |
| 17 | 4 | 0.04 | 2 | 0.04 | Auto; Windows |
| 18 | 3 | 0.03 | 2 | 0.04 | +info@netcraft.com |
| 19 | 2 | 0.02 | 1 | 0.02 | Windows 2000 |
| 20 | 1 | 0.01 | 0 | 0.00 | X11 |
