| Used Operating Systems |
| 1 | 49959 | 52.36 | 318 | 1.51 | http://mj12bot.com/ |
| 2 | 18160 | 19.03 | 14889 | 70.56 | +http://ahrefs.com/robot/ |
| 3 | 12496 | 13.10 | 1062 | 5.03 | Windows NT |
| 4 | 4007 | 4.20 | 3271 | 15.50 | +http://www.baidu.com/search/spider.html |
| 5 | 3420 | 3.58 | 333 | 1.58 | http://www.opensiteexplorer.org/dotbot, ... |
| 6 | 2187 | 2.29 | 361 | 1.71 | +http://www.linkdex.com/bots/ |
| 7 | 1629 | 1.71 | 112 | 0.53 | +http://yandex.com/bots |
| 8 | 1613 | 1.69 | 243 | 1.15 | +http://www.bing.com/bingbot.htm |
| 9 | 1077 | 1.13 | 3 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 10 | 628 | 0.66 | 326 | 1.54 | +http://www.google.com/bot.html |
| 11 | 49 | 0.05 | 48 | 0.23 | Windows 95 |
| 12 | 42 | 0.04 | 25 | 0.12 | Windows 98 |
| 13 | 31 | 0.03 | 19 | 0.09 | +http://www.uptime.com/uptimebot |
| 14 | 15 | 0.02 | 14 | 0.07 | Windows ME |
| 15 | 14 | 0.01 | 14 | 0.07 | Windows CE |
| 16 | 14 | 0.01 | 5 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 13 | 0.01 | 2 | 0.01 | +http://sur.ly/bot.html |
| 18 | 13 | 0.01 | 13 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 19 | 8 | 0.01 | 1 | 0.00 | crawler@mixrank.com |
| 20 | 8 | 0.01 | 8 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 21 | 7 | 0.01 | 7 | 0.03 | Windows 2000 |
| 22 | 7 | 0.01 | 7 | 0.03 | Auto; Windows |
| 23 | 7 | 0.01 | 4 | 0.02 | Windows XP |
| 24 | 5 | 0.01 | 5 | 0.02 | Windows 3.1 |
| 25 | 4 | 0.00 | 2 | 0.01 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 26 | 3 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 27 | 3 | 0.00 | 3 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 28 | 1 | 0.00 | 1 | 0.00 | Ubuntu |
| 29 | 1 | 0.00 | 1 | 0.00 | +http://www.id-search.xyz/bot.html |
| 30 | 1 | 0.00 | 1 | 0.00 | X11 |
| 31 | 1 | 0.00 | 1 | 0.00 | Linux 2.2.x |
