| Used Operating Systems |
| 1 | 64001 | 73.14 | 622 | 5.30 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 12178 | 13.92 | 9057 | 77.11 | +http://ahrefs.com/robot/ |
| 3 | 3960 | 4.53 | 7 | 0.06 | +http://www.warebay.com/bot.html |
| 4 | 3844 | 4.39 | 544 | 4.63 | Windows NT |
| 5 | 793 | 0.91 | 155 | 1.32 | +http://www.linkdex.com/bots/ |
| 6 | 791 | 0.90 | 231 | 1.97 | +http://www.bing.com/bingbot.htm |
| 7 | 773 | 0.88 | 699 | 5.95 | +http://www.baidu.com/search/spider.html |
| 8 | 400 | 0.46 | 208 | 1.77 | +http://www.google.com/bot.html |
| 9 | 366 | 0.42 | 67 | 0.57 | +http://yandex.com/bots |
| 10 | 239 | 0.27 | 75 | 0.64 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 70 | 0.08 | 23 | 0.20 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 22 | 0.03 | 16 | 0.14 | Windows XP |
| 13 | 20 | 0.02 | 10 | 0.09 | Windows 98 |
| 14 | 12 | 0.01 | 2 | 0.02 | +http://www.privacyaware.org |
| 15 | 8 | 0.01 | 7 | 0.06 | Windows 95 |
| 16 | 8 | 0.01 | 8 | 0.07 | +http://www.xovibot.net/ |
| 17 | 4 | 0.00 | 4 | 0.03 | Windows ME |
| 18 | 3 | 0.00 | 3 | 0.03 | Windows CE |
| 19 | 2 | 0.00 | 2 | 0.02 | +info@netcraft.com |
| 20 | 2 | 0.00 | 2 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 21 | 2 | 0.00 | 1 | 0.01 | X11 |
| 22 | 2 | 0.00 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 23 | 1 | 0.00 | 1 | 0.01 | Windows 3.1 |
