| Used Operating Systems |
| 1 | 8530 | 69.20 | 175 | 13.69 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 1501 | 12.18 | 518 | 40.53 | Windows NT |
| 3 | 686 | 5.57 | 252 | 19.72 | +http://www.baidu.com/search/spider.html |
| 4 | 685 | 5.56 | 96 | 7.51 | +http://www.bing.com/bingbot.htm |
| 5 | 343 | 2.78 | 77 | 6.03 | +http://www.google.com/bot.html |
| 6 | 188 | 1.53 | 46 | 3.60 | +http://www.linkdex.com/bots/ |
| 7 | 163 | 1.32 | 23 | 1.80 | +http://yandex.com/bots |
| 8 | 40 | 0.32 | 6 | 0.47 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 30 | 0.24 | 16 | 1.25 | Windows 98 |
| 10 | 29 | 0.24 | 2 | 0.16 | Linux [unknown version] |
| 11 | 27 | 0.22 | 26 | 2.03 | Windows 95 |
| 12 | 14 | 0.11 | 4 | 0.31 | http://www.botje.com/plukkie.htm |
| 13 | 10 | 0.08 | 2 | 0.16 | crawler@mixrank.com |
| 14 | 9 | 0.07 | 1 | 0.08 | ; Trident/4.0; .NET CLR 1.1.4322; .NET C... |
| 15 | 8 | 0.06 | 2 | 0.16 | Linux i686 [unknown version] |
| 16 | 8 | 0.06 | 8 | 0.63 | ) - BrowseX (2.0.0 Windows |
| 17 | 8 | 0.06 | 4 | 0.31 | +http://www.meanpath.com/meanpathbot.htm... |
| 18 | 6 | 0.05 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 19 | 6 | 0.05 | 0 | 0.00 | +http://www.grapeshot.co.uk/crawler.php |
| 20 | 4 | 0.03 | 4 | 0.31 | Windows CE |
| 21 | 4 | 0.03 | 4 | 0.31 | MSIE 5.5; Windows NT 5.0 |
| 22 | 3 | 0.02 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 23 | 3 | 0.02 | 2 | 0.16 | Windows ME |
| 24 | 2 | 0.02 | 2 | 0.16 | Windows 2000 |
| 25 | 2 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 26 | 2 | 0.02 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 27 | 2 | 0.02 | 1 | 0.08 | Windows XP |
| 28 | 2 | 0.02 | 2 | 0.16 | Windows 3.1 |
| 29 | 2 | 0.02 | 2 | 0.16 | Android 2.3.5 |
| 30 | 2 | 0.02 | 2 | 0.16 | MSIE 5.5; Windows NT 4.0 |
| 31 | 2 | 0.02 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 32 | 1 | 0.01 | 1 | 0.08 | Auto; Windows |
| 33 | 1 | 0.01 | 0 | 0.00 | OpenBSD [unknown version] |
| 34 | 1 | 0.01 | 0 | 0.00 | http://drive.google.com |
| 35 | 1 | 0.01 | 0 | 0.00 | CEMENT |
| 36 | 1 | 0.01 | 0 | 0.00 | X11 |
