| Used Operating Systems |
| 1 | 8999 | 61.51 | 3169 | 57.16 | Windows NT |
| 2 | 1670 | 11.41 | 64 | 1.15 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1373 | 9.38 | 1339 | 24.15 | +http://www.baidu.com/search/spider.html |
| 4 | 1011 | 6.91 | 417 | 7.52 | +http://www.google.com/bot.html |
| 5 | 595 | 4.07 | 163 | 2.94 | +http://yandex.com/bots |
| 6 | 321 | 2.19 | 115 | 2.07 | +http://www.linkdex.com/bots/ |
| 7 | 277 | 1.89 | 145 | 2.62 | +http://www.bing.com/bingbot.htm |
| 8 | 51 | 0.35 | 18 | 0.32 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 44 | 0.30 | 22 | 0.40 | +http://www.meanpath.com/meanpathbot.htm... |
| 10 | 40 | 0.27 | 15 | 0.27 | Windows 95 |
| 11 | 33 | 0.23 | 11 | 0.20 | Windows 98 |
| 12 | 31 | 0.21 | 4 | 0.07 | X11 |
| 13 | 24 | 0.16 | 13 | 0.23 | +http://www.exabot.com/go/robot |
| 14 | 22 | 0.15 | 2 | 0.04 | Android 2.3.5 |
| 15 | 16 | 0.11 | 6 | 0.11 | http://www.opensiteexplorer.org/dotbot, ... |
| 16 | 9 | 0.06 | 2 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 17 | 7 | 0.05 | 3 | 0.05 | Windows CE |
| 18 | 6 | 0.04 | 3 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 19 | 6 | 0.04 | 2 | 0.04 | Windows XP |
| 20 | 6 | 0.04 | 1 | 0.02 | http://filterdb.iss.net/crawler/ |
| 21 | 6 | 0.04 | 2 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 22 | 6 | 0.04 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 23 | 5 | 0.03 | 1 | 0.02 | +http://getdownload.ws |
| 24 | 5 | 0.03 | 1 | 0.02 | +http://ahrefs.com/robot/ |
| 25 | 4 | 0.03 | 1 | 0.02 | +http://u8files.asia |
| 26 | 4 | 0.03 | 1 | 0.02 | +http://uni5download.com |
| 27 | 4 | 0.03 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 28 | 4 | 0.03 | 2 | 0.04 | http://crawler.sistrix.net/ |
| 29 | 4 | 0.03 | 3 | 0.05 | +http://www.linkpad.ru |
| 30 | 4 | 0.03 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 31 | 4 | 0.03 | 1 | 0.02 | +http://dl2engine.net |
| 32 | 3 | 0.02 | 1 | 0.02 | Windows 2000 |
| 33 | 3 | 0.02 | 1 | 0.02 | +http://plus5files.net |
| 34 | 3 | 0.02 | 1 | 0.02 | Windows ME |
| 35 | 3 | 0.02 | 1 | 0.02 | Windows 3.1 |
| 36 | 3 | 0.02 | 1 | 0.02 | +http://onlythegames.com |
| 37 | 3 | 0.02 | 2 | 0.04 | +http://www.xovibot.net/ |
| 38 | 3 | 0.02 | 1 | 0.02 | +http://nlp.fi.muni.cz/projects/biwec/ |
| 39 | 3 | 0.02 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 40 | 3 | 0.02 | 1 | 0.02 | +http://opendownload.pw |
| 41 | 2 | 0.01 | 2 | 0.04 | crawler@mixrank.com |
| 42 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 43 | 2 | 0.01 | 1 | 0.02 | +http://www.semrush.com/bot.html |
| 44 | 2 | 0.01 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 45 | 1 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 46 | 1 | 0.01 | 1 | 0.02 | +http://wmaid.com/explore/ |
| 47 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
| 48 | 1 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
