| Used Operating Systems |
| 1 | 4082 | 42.81 | 72 | 5.61 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3054 | 32.03 | 376 | 29.28 | +http://www.baidu.com/search/spider.html |
| 3 | 919 | 9.64 | 159 | 12.38 | Windows NT |
| 4 | 592 | 6.21 | 196 | 15.26 | +http://www.linkdex.com/bots/ |
| 5 | 563 | 5.90 | 349 | 27.18 | +http://www.google.com/bot.html |
| 6 | 208 | 2.18 | 79 | 6.15 | +http://yandex.com/bots |
| 7 | 26 | 0.27 | 3 | 0.23 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 8 | 20 | 0.21 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 9 | 13 | 0.14 | 12 | 0.93 | Windows 95 |
| 10 | 11 | 0.12 | 2 | 0.16 | Windows 98 |
| 11 | 10 | 0.10 | 9 | 0.70 | MSIE 5.5; Windows NT 5.0 |
| 12 | 7 | 0.07 | 6 | 0.47 | Windows 2000 |
| 13 | 6 | 0.06 | 5 | 0.39 | Windows CE |
| 14 | 6 | 0.06 | 2 | 0.16 | Windows XP |
| 15 | 5 | 0.05 | 5 | 0.39 | Windows 3.1 |
| 16 | 4 | 0.04 | 4 | 0.31 | ) - BrowseX (2.0.0 Windows |
| 17 | 2 | 0.02 | 2 | 0.16 | Auto; Windows |
| 18 | 2 | 0.02 | 2 | 0.16 | +info@netcraft.com |
| 19 | 2 | 0.02 | 0 | 0.00 | +http://napoveda.seznam.cz/en/seznambot-... |
| 20 | 2 | 0.02 | 0 | 0.00 | +http://siteexplorer.info/ |
| 21 | 1 | 0.01 | 1 | 0.08 | Windows ME |
