| Used Operating Systems |
| 1 | 10092 | 33.22 | 275 | 3.07 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7583 | 24.96 | 2673 | 29.86 | Windows NT |
| 3 | 4142 | 13.63 | 3555 | 39.71 | +http://www.baidu.com/search/spider.html |
| 4 | 2255 | 7.42 | 327 | 3.65 | +http://yandex.com/bots |
| 5 | 1967 | 6.47 | 492 | 5.50 | +http://ahrefs.com/robot/ |
| 6 | 894 | 2.94 | 320 | 3.57 | +http://www.google.com/bot.html |
| 7 | 804 | 2.65 | 310 | 3.46 | +http://www.bing.com/bingbot.htm |
| 8 | 698 | 2.30 | 175 | 1.95 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 546 | 1.80 | 355 | 3.97 | +http://www.linkdex.com/bots/ |
| 10 | 353 | 1.16 | 91 | 1.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 138 | 0.45 | 82 | 0.92 | Windows 95 |
| 12 | 110 | 0.36 | 54 | 0.60 | +http://www.meanpath.com/meanpathbot.htm... |
| 13 | 93 | 0.31 | 15 | 0.17 | Windows 98 |
| 14 | 84 | 0.28 | 3 | 0.03 | Windows 92 |
| 15 | 58 | 0.19 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 16 | 48 | 0.16 | 20 | 0.22 | +http://fulltext.sblog.cz/ |
| 17 | 41 | 0.13 | 9 | 0.10 | +http://www.exabot.com/go/robot |
| 18 | 40 | 0.13 | 4 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 19 | 33 | 0.11 | 3 | 0.03 | +http://www.profound.net/urlappendbot.ht... |
| 20 | 28 | 0.09 | 8 | 0.09 | http://help.yahoo.com/help/us/ysearch/sl... |
| 21 | 26 | 0.09 | 16 | 0.18 | Windows 2000 |
| 22 | 25 | 0.08 | 17 | 0.19 | Auto; Windows |
| 23 | 25 | 0.08 | 13 | 0.15 | Windows ME |
| 24 | 25 | 0.08 | 16 | 0.18 | Windows 3.1 |
| 25 | 24 | 0.08 | 0 | 0.00 | Windows XP |
| 26 | 24 | 0.08 | 18 | 0.20 | MSIE 5.5; Windows NT 4.0 |
| 27 | 22 | 0.07 | 2 | 0.02 | +http://www.profound.net/domainappender |
| 28 | 19 | 0.06 | 12 | 0.13 | Windows CE |
| 29 | 18 | 0.06 | 18 | 0.20 | +http://www.easou.com/search/spider.html |
| 30 | 18 | 0.06 | 11 | 0.12 | MSIE 5.5; Windows NT 5.0 |
| 31 | 18 | 0.06 | 12 | 0.13 | ) - BrowseX (2.0.0 Windows |
| 32 | 14 | 0.05 | 3 | 0.03 | X11 |
| 33 | 10 | 0.03 | 3 | 0.03 | +http://uni5download.com |
| 34 | 10 | 0.03 | 7 | 0.08 | +http://wmaid.com/explore/ |
| 35 | 8 | 0.03 | 2 | 0.02 | +http://getdownload.ws |
| 36 | 8 | 0.03 | 4 | 0.04 | +http://help.coccoc.com/ |
| 37 | 8 | 0.03 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 38 | 8 | 0.03 | 2 | 0.02 | +http://a14download.com |
| 39 | 7 | 0.02 | 0 | 0.00 | Linux 2.4.x |
| 40 | 6 | 0.02 | 6 | 0.07 | +http://pmoz.info/doc/botinfo.htm |
| 41 | 6 | 0.02 | 2 | 0.02 | +http://onlythegames.com |
| 42 | 6 | 0.02 | 3 | 0.03 | +http://botw.org |
| 43 | 6 | 0.02 | 2 | 0.02 | +http://dl2engine.net |
| 44 | 5 | 0.02 | 0 | 0.00 | Win32 |
| 45 | 4 | 0.01 | 2 | 0.02 | http://crawler.sistrix.net/ |
| 46 | 4 | 0.01 | 2 | 0.02 | +info@netcraft.com |
| 47 | 4 | 0.01 | 2 | 0.02 | +http://www.semrush.com/bot.html |
| 48 | 4 | 0.01 | 2 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 49 | 3 | 0.01 | 1 | 0.01 | +http://inload.me |
| 50 | 2 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 51 | 2 | 0.01 | 0 | 0.00 | i686 Linux; 20020707 |
| 52 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 53 | 2 | 0.01 | 2 | 0.02 | Android 2.3.5 |
| 54 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 55 | 1 | 0.00 | 1 | 0.01 | +http://www.xovibot.net/ |
