| Used Operating Systems |
| 1 | 59502 | 88.44 | 489 | 15.83 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3099 | 4.61 | 1158 | 37.48 | Windows NT |
| 3 | 1250 | 1.86 | 335 | 10.84 | +http://ahrefs.com/robot/ |
| 4 | 1163 | 1.73 | 237 | 7.67 | +http://www.linkdex.com/bots/ |
| 5 | 722 | 1.07 | 310 | 10.03 | +http://www.google.com/bot.html |
| 6 | 479 | 0.71 | 101 | 3.27 | +http://www.bing.com/bingbot.htm |
| 7 | 421 | 0.63 | 308 | 9.97 | +http://www.baidu.com/search/spider.html |
| 8 | 381 | 0.57 | 72 | 2.33 | +http://yandex.com/bots |
| 9 | 54 | 0.08 | 22 | 0.71 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 44 | 0.07 | 2 | 0.06 | +http://www.aihitdata.com/about |
| 11 | 42 | 0.06 | 2 | 0.06 | MAUI Runtime |
| 12 | 37 | 0.05 | 3 | 0.10 | +http://OpenLinkProfiler.org/bot |
| 13 | 30 | 0.04 | 15 | 0.49 | +http://www.meanpath.com/meanpathbot.htm... |
| 14 | 11 | 0.02 | 1 | 0.03 | crawler@mixrank.com |
| 15 | 8 | 0.01 | 3 | 0.10 | MSIE 5.5; Windows NT 5.0 |
| 16 | 8 | 0.01 | 5 | 0.16 | Windows 98 |
| 17 | 7 | 0.01 | 7 | 0.23 | Linux i686 [unknown version] |
| 18 | 4 | 0.01 | 4 | 0.13 | Windows 95 |
| 19 | 4 | 0.01 | 4 | 0.13 | FreeBSD [unknown version] |
| 20 | 3 | 0.00 | 3 | 0.10 | Windows 3.1 |
| 21 | 3 | 0.00 | 1 | 0.03 | X11 |
| 22 | 2 | 0.00 | 2 | 0.06 | Windows 2000 |
| 23 | 2 | 0.00 | 2 | 0.06 | Intel Mac OS X 10.5 |
| 24 | 2 | 0.00 | 2 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 25 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 26 | 1 | 0.00 | 1 | 0.03 | Auto; Windows |
| 27 | 1 | 0.00 | 1 | 0.03 | Android 2.3.5 |
