| Used Operating Systems |
| 1 | 8628 | 40.40 | 126 | 2.01 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4806 | 22.51 | 3659 | 58.35 | +http://ahrefs.com/robot/ |
| 3 | 3704 | 17.35 | 167 | 2.66 | +http://yandex.com/bots |
| 4 | 1657 | 7.76 | 436 | 6.95 | Windows NT |
| 5 | 1653 | 7.74 | 1419 | 22.63 | +http://www.baidu.com/search/spider.html |
| 6 | 348 | 1.63 | 163 | 2.60 | +http://www.google.com/bot.html |
| 7 | 213 | 1.00 | 70 | 1.12 | +http://www.linkdex.com/bots/ |
| 8 | 164 | 0.77 | 105 | 1.67 | +http://www.bing.com/bingbot.htm |
| 9 | 37 | 0.17 | 16 | 0.26 | Windows XP |
| 10 | 30 | 0.14 | 30 | 0.48 | Windows 95 |
| 11 | 20 | 0.09 | 13 | 0.21 | Windows 98 |
| 12 | 16 | 0.07 | 11 | 0.18 | Windows 2000 |
| 13 | 15 | 0.07 | 3 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 13 | 0.06 | 9 | 0.14 | MSIE 5.5; Windows NT 5.0 |
| 15 | 13 | 0.06 | 11 | 0.18 | MSIE 5.5; Windows NT 4.0 |
| 16 | 9 | 0.04 | 8 | 0.13 | Windows ME |
| 17 | 8 | 0.04 | 7 | 0.11 | Windows 3.1 |
| 18 | 7 | 0.03 | 7 | 0.11 | Auto; Windows |
| 19 | 5 | 0.02 | 5 | 0.08 | ) - BrowseX (2.0.0 Windows |
| 20 | 4 | 0.02 | 4 | 0.06 | Windows CE |
| 21 | 2 | 0.01 | 0 | 0.00 | Linux i686 [unknown version] |
| 22 | 2 | 0.01 | 2 | 0.03 | +info@netcraft.com |
