| Used Operating Systems |
| 1 | 25822 | 52.27 | 192 | 2.09 | http://mj12bot.com/ |
| 2 | 7993 | 16.18 | 4421 | 48.10 | +http://ahrefs.com/robot/ |
| 3 | 4758 | 9.63 | 1059 | 11.52 | Windows NT |
| 4 | 3329 | 6.74 | 1 | 0.01 | +http://megaindex.com/crawler |
| 5 | 2552 | 5.17 | 2158 | 23.48 | +http://www.baidu.com/search/spider.html |
| 6 | 1218 | 2.47 | 267 | 2.90 | +http://www.linkdex.com/bots/ |
| 7 | 919 | 1.86 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 8 | 740 | 1.50 | 290 | 3.15 | +http://www.bing.com/bingbot.htm |
| 9 | 659 | 1.33 | 335 | 3.64 | +http://www.google.com/bot.html |
| 10 | 623 | 1.26 | 137 | 1.49 | +http://yandex.com/bots |
| 11 | 205 | 0.41 | 105 | 1.14 | Windows 95 |
| 12 | 131 | 0.27 | 5 | 0.05 | Windows 98 |
| 13 | 88 | 0.18 | 31 | 0.34 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 46 | 0.09 | 22 | 0.24 | Windows ME |
| 15 | 39 | 0.08 | 22 | 0.24 | Windows CE |
| 16 | 36 | 0.07 | 21 | 0.23 | Windows 2000 |
| 17 | 34 | 0.07 | 25 | 0.27 | +http://www.uptime.com/uptimebot |
| 18 | 29 | 0.06 | 20 | 0.22 | ) - BrowseX (2.0.0 Windows |
| 19 | 28 | 0.06 | 20 | 0.22 | Auto; Windows |
| 20 | 28 | 0.06 | 8 | 0.09 | Windows 3.1 |
| 21 | 27 | 0.05 | 6 | 0.07 | +http://www.semrush.com/bot.html |
| 22 | 26 | 0.05 | 16 | 0.17 | MSIE 5.5; Windows NT 5.0 |
| 23 | 23 | 0.05 | 2 | 0.02 | Windows XP |
| 24 | 20 | 0.04 | 16 | 0.17 | MSIE 5.5; Windows NT 4.0 |
| 25 | 6 | 0.01 | 2 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 26 | 6 | 0.01 | 3 | 0.03 | +http://www.exabot.com/go/robot |
| 27 | 4 | 0.01 | 2 | 0.02 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 28 | 3 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 29 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 30 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 31 | 2 | 0.00 | 2 | 0.02 | Linux i686 [unknown version] |
