| Used Operating Systems |
| 1 | 5542 | 35.53 | 163 | 3.36 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4631 | 29.69 | 1698 | 34.96 | Windows NT |
| 3 | 2695 | 17.28 | 2288 | 47.11 | +http://www.baidu.com/search/spider.html |
| 4 | 1030 | 6.60 | 212 | 4.36 | +http://www.google.com/bot.html |
| 5 | 679 | 4.35 | 143 | 2.94 | +http://ahrefs.com/robot/ |
| 6 | 647 | 4.15 | 255 | 5.25 | +http://www.bing.com/bingbot.htm |
| 7 | 88 | 0.56 | 15 | 0.31 | +http://www.linkdex.com/about/bots/ |
| 8 | 73 | 0.47 | 15 | 0.31 | +http://yandex.com/bots |
| 9 | 54 | 0.35 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 10 | 44 | 0.28 | 14 | 0.29 | Linux [unknown version] |
| 11 | 22 | 0.14 | 18 | 0.37 | +http://www.easou.com/search/spider.html |
| 12 | 22 | 0.14 | 10 | 0.21 | Linux i686 [unknown version] |
| 13 | 18 | 0.12 | 6 | 0.12 | X11 |
| 14 | 13 | 0.08 | 3 | 0.06 | Android 2.3.5 |
| 15 | 8 | 0.05 | 4 | 0.08 | Intel Mac OS X 10.5 |
| 16 | 4 | 0.03 | 0 | 0.00 | +http://help.soso.com/webspider.htm |
| 17 | 4 | 0.03 | 1 | 0.02 | +http://www.semrush.com/bot.html |
| 18 | 4 | 0.03 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 3 | 0.02 | 3 | 0.06 | Windows 95 |
| 20 | 3 | 0.02 | 2 | 0.04 | +info@netcraft.com |
| 21 | 2 | 0.01 | 2 | 0.04 | PPC Mac OS X 10.4 |
| 22 | 2 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 23 | 2 | 0.01 | 0 | 0.00 | Windows XP |
| 24 | 2 | 0.01 | 2 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 25 | 2 | 0.01 | 1 | 0.02 | Windows 98 |
| 26 | 1 | 0.01 | 0 | 0.00 | Win32 |
| 27 | 1 | 0.01 | 1 | 0.02 | Windows CE |
| 28 | 1 | 0.01 | 0 | 0.00 | Windows ME |
| 29 | 1 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
