| Used Operating Systems |
| 1 | 29501 | 24.87 | 25238 | 59.23 | +http://www.baidu.com/search/spider.html |
| 2 | 22873 | 19.28 | 6949 | 16.31 | Windows NT |
| 3 | 22477 | 18.95 | 275 | 0.65 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 18858 | 15.90 | 4788 | 11.24 | +http://ahrefs.com/robot/ |
| 5 | 7134 | 6.01 | 1284 | 3.01 | +http://www.bing.com/bingbot.htm |
| 6 | 4455 | 3.76 | 163 | 0.38 | +http://yandex.com/bots |
| 7 | 3668 | 3.09 | 1709 | 4.01 | +http://www.google.com/bot.html |
| 8 | 2294 | 1.93 | 3 | 0.01 | +http://webmeup-crawler.com/ |
| 9 | 1341 | 1.13 | 2 | 0.00 | +http://OpenLinkProfiler.org/bot |
| 10 | 1141 | 0.96 | 504 | 1.18 | +http://www.linkdex.com/bots/ |
| 11 | 1002 | 0.84 | 2 | 0.00 | http://crawler.sistrix.net/ |
| 12 | 968 | 0.82 | 1 | 0.00 | +http://www.seokicks.de/robot.html |
| 13 | 603 | 0.51 | 398 | 0.93 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 403 | 0.34 | 314 | 0.74 | Windows 95 |
| 15 | 287 | 0.24 | 33 | 0.08 | Windows 98 |
| 16 | 237 | 0.20 | 174 | 0.41 | +http://www.xovibot.net/ |
| 17 | 187 | 0.16 | 116 | 0.27 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 18 | 140 | 0.12 | 1 | 0.00 | http://www.searchmetrics.com/en/searchme... |
| 19 | 89 | 0.08 | 41 | 0.10 | http://www.opensiteexplorer.org/dotbot, ... |
| 20 | 74 | 0.06 | 40 | 0.09 | +http://www.exabot.com/go/robot |
| 21 | 73 | 0.06 | 35 | 0.08 | +http://www.proximic.com/info/spider.php |
| 22 | 70 | 0.06 | 64 | 0.15 | Windows 2000 |
| 23 | 69 | 0.06 | 63 | 0.15 | Auto; Windows |
| 24 | 69 | 0.06 | 66 | 0.15 | MSIE 5.5; Windows NT 5.0 |
| 25 | 66 | 0.06 | 48 | 0.11 | Windows 3.1 |
| 26 | 63 | 0.05 | 55 | 0.13 | ) - BrowseX (2.0.0 Windows |
| 27 | 56 | 0.05 | 51 | 0.12 | MSIE 5.5; Windows NT 4.0 |
| 28 | 55 | 0.05 | 0 | 0.00 | Windows XP |
| 29 | 54 | 0.05 | 42 | 0.10 | +http://www.easou.com/search/spider.html |
| 30 | 51 | 0.04 | 51 | 0.12 | Windows CE |
| 31 | 48 | 0.04 | 42 | 0.10 | Windows ME |
| 32 | 41 | 0.03 | 6 | 0.01 | +http://fulltext.sblog.cz/ |
| 33 | 40 | 0.03 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 34 | 14 | 0.01 | 2 | 0.00 | +https://www.mojeek.com/bot.html |
| 35 | 14 | 0.01 | 7 | 0.02 | +http://duckduckgo.com |
| 36 | 10 | 0.01 | 0 | 0.00 | Linux [unknown version] |
| 37 | 9 | 0.01 | 4 | 0.01 | X11 |
| 38 | 8 | 0.01 | 6 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 39 | 8 | 0.01 | 4 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 40 | 6 | 0.01 | 4 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 41 | 5 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 42 | 4 | 0.00 | 1 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 43 | 4 | 0.00 | 1 | 0.00 | +http://medialine-it.com |
| 44 | 4 | 0.00 | 2 | 0.00 | +http://help.coccoc.com/ |
| 45 | 4 | 0.00 | 1 | 0.00 | +http://trumpetsheetmusic.org |
| 46 | 4 | 0.00 | 1 | 0.00 | +http://mercedes-w123.net |
| 47 | 4 | 0.00 | 1 | 0.00 | Windows 99 |
| 48 | 4 | 0.00 | 1 | 0.00 | Android 2.3.5 |
| 49 | 4 | 0.00 | 1 | 0.00 | +http://t2downloads.xyz |
| 50 | 4 | 0.00 | 3 | 0.01 | Intel Mac OS X 10.6 |
| 51 | 3 | 0.00 | 3 | 0.01 | Win32 |
| 52 | 3 | 0.00 | 3 | 0.01 | Linux i686 [unknown version] |
| 53 | 2 | 0.00 | 2 | 0.00 | +http://fb02itsscan.fh-muenster.de |
| 54 | 2 | 0.00 | 1 | 0.00 | +http://gimme60.com |
| 55 | 2 | 0.00 | 1 | 0.00 | +info@netcraft.com |
| 56 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
