| Used Operating Systems |
| 1 | 4320 | 51.59 | 92 | 4.00 | http://mj12bot.com/ |
| 2 | 2166 | 25.87 | 1059 | 46.04 | Windows NT |
| 3 | 562 | 6.71 | 486 | 21.13 | +http://www.baidu.com/search/spider.html |
| 4 | 400 | 4.78 | 353 | 15.35 | +http://ahrefs.com/robot/ |
| 5 | 400 | 4.78 | 117 | 5.09 | +http://www.linkdex.com/bots/ |
| 6 | 150 | 1.79 | 62 | 2.70 | +http://www.google.com/bot.html |
| 7 | 150 | 1.79 | 24 | 1.04 | +http://yandex.com/bots |
| 8 | 71 | 0.85 | 7 | 0.30 | +http://www.semrush.com/bot.html |
| 9 | 35 | 0.42 | 27 | 1.17 | Windows 95 |
| 10 | 29 | 0.35 | 10 | 0.43 | Windows 98 |
| 11 | 14 | 0.17 | 7 | 0.30 | +http://help.coccoc.com/searchengine |
| 12 | 12 | 0.14 | 7 | 0.30 | Windows ME |
| 13 | 11 | 0.13 | 10 | 0.43 | Windows 3.1 |
| 14 | 10 | 0.12 | 8 | 0.35 | Windows CE |
| 15 | 9 | 0.11 | 6 | 0.26 | MSIE 5.5; Windows NT 4.0 |
| 16 | 7 | 0.08 | 6 | 0.26 | MSIE 5.5; Windows NT 5.0 |
| 17 | 6 | 0.07 | 6 | 0.26 | ) - BrowseX (2.0.0 Windows |
| 18 | 5 | 0.06 | 4 | 0.17 | Windows 2000 |
| 19 | 4 | 0.05 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 4 | 0.05 | 4 | 0.17 | Auto; Windows |
| 21 | 4 | 0.05 | 2 | 0.09 | http://www.opensiteexplorer.org/dotbot, ... |
| 22 | 3 | 0.04 | 1 | 0.04 | Windows XP |
| 23 | 2 | 0.02 | 2 | 0.09 | +info@netcraft.com |
