| Used Operating Systems |
| 1 | 10058 | 30.86 | 3957 | 37.59 | Windows NT |
| 2 | 4199 | 12.89 | 3088 | 29.34 | +http://www.baidu.com/search/spider.html |
| 3 | 3850 | 11.81 | 121 | 1.15 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 3632 | 11.15 | 1521 | 14.45 | +http://www.easou.com/search/spider.html |
| 5 | 2885 | 8.85 | 177 | 1.68 | Windows 98 |
| 6 | 1633 | 5.01 | 239 | 2.27 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 1161 | 3.56 | 17 | 0.16 | +http://OpenLinkProfiler.org/bot |
| 8 | 1016 | 3.12 | 284 | 2.70 | +http://ahrefs.com/robot/ |
| 9 | 838 | 2.57 | 253 | 2.40 | +http://www.linkdex.com/bots/ |
| 10 | 673 | 2.07 | 257 | 2.44 | +http://www.google.com/bot.html |
| 11 | 559 | 1.72 | 238 | 2.26 | +http://www.bing.com/bingbot.htm |
| 12 | 536 | 1.64 | 54 | 0.51 | +http://yandex.com/bots |
| 13 | 479 | 1.47 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 14 | 373 | 1.14 | 1 | 0.01 | http://crawler.007ac9.net/ |
| 15 | 156 | 0.48 | 105 | 1.00 | Windows 95 |
| 16 | 128 | 0.39 | 4 | 0.04 | http://crawler.sistrix.net/ |
| 17 | 114 | 0.35 | 30 | 0.29 | +http://www.exabot.com/go/robot |
| 18 | 43 | 0.13 | 33 | 0.31 | Windows 3.1 |
| 19 | 41 | 0.13 | 32 | 0.30 | MSIE 5.5; Windows NT 4.0 |
| 20 | 37 | 0.11 | 5 | 0.05 | Windows XP |
| 21 | 28 | 0.09 | 21 | 0.20 | Windows CE |
| 22 | 28 | 0.09 | 23 | 0.22 | Windows 2000 |
| 23 | 28 | 0.09 | 17 | 0.16 | Windows ME |
| 24 | 24 | 0.07 | 20 | 0.19 | MSIE 5.5; Windows NT 5.0 |
| 25 | 10 | 0.03 | 2 | 0.02 | http://help.yahoo.com/help/us/ysearch/sl... |
| 26 | 10 | 0.03 | 5 | 0.05 | +http://wmaid.com/explore/ |
| 27 | 8 | 0.02 | 7 | 0.07 | +info@netcraft.com |
| 28 | 6 | 0.02 | 1 | 0.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 29 | 6 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 30 | 6 | 0.02 | 3 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 31 | 5 | 0.02 | 3 | 0.03 | X11 |
| 32 | 4 | 0.01 | 2 | 0.02 | Android 2.3.5 |
| 33 | 3 | 0.01 | 1 | 0.01 | +http://getdownload.ws |
| 34 | 3 | 0.01 | 1 | 0.01 | +http://overx50.com/ |
| 35 | 2 | 0.01 | 0 | 0.00 | Win32 |
| 36 | 2 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 37 | 2 | 0.01 | 2 | 0.02 | Linux i686 [unknown version] |
| 38 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 39 | 1 | 0.00 | 1 | 0.01 | +http://www.loadtime.net/bot.html |
