| Used Operating Systems |
| 1 | 22568 | 50.47 | 229 | 3.07 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5456 | 12.20 | 3275 | 43.96 | +http://www.baidu.com/search/spider.html |
| 3 | 4813 | 10.76 | 1405 | 18.86 | +http://www.xovibot.net/ |
| 4 | 4471 | 10.00 | 1250 | 16.78 | Windows NT |
| 5 | 4089 | 9.14 | 203 | 2.72 | +http://ahrefs.com/robot/ |
| 6 | 917 | 2.05 | 415 | 5.57 | +http://www.google.com/bot.html |
| 7 | 804 | 1.80 | 12 | 0.16 | +http://OpenLinkProfiler.org/bot |
| 8 | 383 | 0.86 | 160 | 2.15 | +http://www.bing.com/bingbot.htm |
| 9 | 380 | 0.85 | 48 | 0.64 | +http://yandex.com/bots |
| 10 | 193 | 0.43 | 143 | 1.92 | Windows 95 |
| 11 | 130 | 0.29 | 30 | 0.40 | Windows 98 |
| 12 | 110 | 0.25 | 22 | 0.30 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 57 | 0.13 | 20 | 0.27 | +http://www.linkdex.com/bots/ |
| 14 | 43 | 0.10 | 13 | 0.17 | http://www.opensiteexplorer.org/dotbot, ... |
| 15 | 37 | 0.08 | 4 | 0.05 | Windows XP |
| 16 | 37 | 0.08 | 31 | 0.42 | MSIE 5.5; Windows NT 5.0 |
| 17 | 32 | 0.07 | 28 | 0.38 | Windows 3.1 |
| 18 | 31 | 0.07 | 26 | 0.35 | Windows 2000 |
| 19 | 31 | 0.07 | 27 | 0.36 | MSIE 5.5; Windows NT 4.0 |
| 20 | 30 | 0.07 | 24 | 0.32 | Windows CE |
| 21 | 28 | 0.06 | 25 | 0.34 | Auto; Windows |
| 22 | 26 | 0.06 | 22 | 0.30 | Windows ME |
| 23 | 26 | 0.06 | 23 | 0.31 | ) - BrowseX (2.0.0 Windows |
| 24 | 13 | 0.03 | 5 | 0.07 | +http://www.exabot.com/go/robot |
| 25 | 4 | 0.01 | 4 | 0.05 | +http://www.domaintuno.com/robot |
| 26 | 4 | 0.01 | 2 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 27 | 2 | 0.00 | 2 | 0.03 | Windows 2003 |
| 28 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 29 | 2 | 0.00 | 1 | 0.01 | X11 |
| 30 | 1 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
