| Used Operating Systems |
| 1 | 39666 | 82.81 | 4651 | 60.67 | Windows NT |
| 2 | 2260 | 4.72 | 1421 | 18.54 | +http://www.baidu.com/search/spider.html |
| 3 | 1751 | 3.66 | 374 | 4.88 | +http://www.google.com/bot.html |
| 4 | 1118 | 2.33 | 284 | 3.70 | +http://www.bing.com/bingbot.htm |
| 5 | 647 | 1.35 | 22 | 0.29 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 389 | 0.81 | 28 | 0.37 | +http://yandex.com/bots |
| 7 | 359 | 0.75 | 42 | 0.55 | +http://ahrefs.com/robot/ |
| 8 | 321 | 0.67 | 242 | 3.16 | Windows 95 |
| 9 | 220 | 0.46 | 39 | 0.51 | Windows 98 |
| 10 | 198 | 0.41 | 4 | 0.05 | +http://fulltext.sblog.cz/ |
| 11 | 99 | 0.21 | 35 | 0.46 | +http://www.linkdex.com/bots/ |
| 12 | 79 | 0.16 | 28 | 0.37 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 76 | 0.16 | 65 | 0.85 | MSIE 5.5; Windows NT 5.0 |
| 14 | 68 | 0.14 | 64 | 0.83 | Windows CE |
| 15 | 61 | 0.13 | 51 | 0.67 | MSIE 5.5; Windows NT 4.0 |
| 16 | 60 | 0.13 | 57 | 0.74 | Windows 2000 |
| 17 | 58 | 0.12 | 1 | 0.01 | Windows XP |
| 18 | 54 | 0.11 | 52 | 0.68 | Auto; Windows |
| 19 | 50 | 0.10 | 48 | 0.63 | Windows 3.1 |
| 20 | 48 | 0.10 | 43 | 0.56 | Windows ME |
| 21 | 48 | 0.10 | 45 | 0.59 | ) - BrowseX (2.0.0 Windows |
| 22 | 38 | 0.08 | 12 | 0.16 | +http://www.exabot.com/go/robot |
| 23 | 32 | 0.07 | 1 | 0.01 | +http://www.seokicks.de/robot.html |
| 24 | 28 | 0.06 | 7 | 0.09 | X11 |
| 25 | 24 | 0.05 | 1 | 0.01 | +http://www.aihitdata.com/about |
| 26 | 18 | 0.04 | 4 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 27 | 15 | 0.03 | 2 | 0.03 | Android 2.3.5 |
| 28 | 13 | 0.03 | 6 | 0.08 | +http://help.coccoc.com/ |
| 29 | 11 | 0.02 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 30 | 10 | 0.02 | 5 | 0.07 | http://www.opensiteexplorer.org/dotbot, ... |
| 31 | 9 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 32 | 8 | 0.02 | 4 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 33 | 6 | 0.01 | 0 | 0.00 | +http://www.xovibot.net/ |
| 34 | 6 | 0.01 | 3 | 0.04 | +http://duckduckgo.com |
| 35 | 5 | 0.01 | 5 | 0.07 | +http://www.domaintuno.com/robot |
| 36 | 4 | 0.01 | 2 | 0.03 | http://crawler.sistrix.net/ |
| 37 | 4 | 0.01 | 1 | 0.01 | +http://mercedes-w123.net |
| 38 | 4 | 0.01 | 1 | 0.01 | +http://medialine-it.com |
| 39 | 4 | 0.01 | 3 | 0.04 | +info@netcraft.com |
| 40 | 4 | 0.01 | 1 | 0.01 | +http://t2downloads.xyz |
| 41 | 4 | 0.01 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 42 | 3 | 0.01 | 1 | 0.01 | +http://downloadmine.biz |
| 43 | 3 | 0.01 | 1 | 0.01 | +http://trumpetsheetmusic.org |
| 44 | 3 | 0.01 | 1 | 0.01 | Linux i686 [unknown version] |
| 45 | 3 | 0.01 | 1 | 0.01 | +http://www.profound.net/domainappender |
| 46 | 2 | 0.00 | 2 | 0.03 | +http://fb02itsscan.fh-muenster.de |
| 47 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 48 | 2 | 0.00 | 1 | 0.01 | ScoutJet; +http://blekko.com/about/blekk... |
| 49 | 1 | 0.00 | 0 | 0.00 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 50 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 51 | 1 | 0.00 | 1 | 0.01 | Macintosh |
| 52 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 53 | 1 | 0.00 | 1 | 0.01 | +http://gimme60.com |
