| Used Operating Systems |
| 1 | 21185 | 59.84 | 5440 | 46.09 | Windows NT |
| 2 | 3332 | 9.41 | 1224 | 10.37 | +http://www.google.com/bot.html |
| 3 | 3292 | 9.30 | 2463 | 20.87 | +http://www.baidu.com/search/spider.html |
| 4 | 1385 | 3.91 | 797 | 6.75 | +http://www.bing.com/bingbot.htm |
| 5 | 1033 | 2.92 | 510 | 4.32 | http://help.yahoo.com/help/us/ysearch/sl... |
| 6 | 642 | 1.81 | 71 | 0.60 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 440 | 1.24 | 132 | 1.12 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 414 | 1.17 | 139 | 1.18 | +http://yandex.com/bots |
| 9 | 391 | 1.10 | 125 | 1.06 | Windows 95 |
| 10 | 389 | 1.10 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 11 | 351 | 0.99 | 268 | 2.27 | +http://ahrefs.com/robot/ |
| 12 | 299 | 0.84 | 123 | 1.04 | Windows 98 |
| 13 | 208 | 0.59 | 16 | 0.14 | +http://www.profound.net/domainappender |
| 14 | 193 | 0.55 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 15 | 181 | 0.51 | 93 | 0.79 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 120 | 0.34 | 24 | 0.20 | +http://duckduckgo.com |
| 17 | 119 | 0.34 | 29 | 0.25 | +http://help.coccoc.com/ |
| 18 | 95 | 0.27 | 1 | 0.01 | X11 |
| 19 | 94 | 0.27 | 23 | 0.19 | +http://www.easou.com/search/spider.html |
| 20 | 90 | 0.25 | 3 | 0.03 | +http://www.semrush.com/bot.html |
| 21 | 86 | 0.24 | 10 | 0.08 | Android |
| 22 | 86 | 0.24 | 31 | 0.26 | MSIE 5.5; Windows NT 4.0 |
| 23 | 85 | 0.24 | 30 | 0.25 | Windows 3.1 |
| 24 | 84 | 0.24 | 22 | 0.19 | +http://www.linkdex.com/bots/ |
| 25 | 80 | 0.23 | 29 | 0.25 | Windows 2000 |
| 26 | 77 | 0.22 | 27 | 0.23 | Windows CE |
| 27 | 64 | 0.18 | 22 | 0.19 | MSIE 5.5; Windows NT 5.0 |
| 28 | 61 | 0.17 | 10 | 0.08 | Windows XP |
| 29 | 60 | 0.17 | 6 | 0.05 | +http://fulltext.sblog.cz/ |
| 30 | 59 | 0.17 | 21 | 0.18 | Windows ME |
| 31 | 56 | 0.16 | 28 | 0.24 | +http://help.naver.com/robots/ |
| 32 | 39 | 0.11 | 1 | 0.01 | Windows Phone OS 7.5 |
| 33 | 32 | 0.09 | 8 | 0.07 | +http://www.exabot.com/go/robot |
| 34 | 27 | 0.08 | 4 | 0.03 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 35 | 24 | 0.07 | 6 | 0.05 | +http://www.domaintuno.com/robot |
| 36 | 22 | 0.06 | 1 | 0.01 | http://www.lipperhey.com/ |
| 37 | 16 | 0.05 | 2 | 0.02 | +http://gimme60.com |
| 38 | 15 | 0.04 | 2 | 0.02 | J2ME/MIDP |
| 39 | 14 | 0.04 | 6 | 0.05 | support.orangebot@orange.com |
| 40 | 13 | 0.04 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 41 | 11 | 0.03 | 7 | 0.06 | Linux i686 [unknown version] |
| 42 | 11 | 0.03 | 11 | 0.09 | +http://flipboard.com/browserproxy |
| 43 | 10 | 0.03 | 2 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 44 | 9 | 0.03 | 3 | 0.03 | Auto; Windows |
| 45 | 9 | 0.03 | 6 | 0.05 | http://crawler.sistrix.net/ |
| 46 | 9 | 0.03 | 6 | 0.05 | Linux [unknown version] |
| 47 | 9 | 0.03 | 2 | 0.02 | +info@netcraft.com |
| 48 | 9 | 0.03 | 3 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 49 | 8 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 50 | 7 | 0.02 | 2 | 0.02 | +http://advbot.net/bot.html |
| 51 | 7 | 0.02 | 1 | 0.01 | +http://www.aihitdata.com/about |
| 52 | 6 | 0.02 | 0 | 0.00 | Windows 9. |
| 53 | 6 | 0.02 | 3 | 0.03 | +http://www.xovibot.net/ |
| 54 | 6 | 0.02 | 2 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 55 | 5 | 0.01 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 56 | 5 | 0.01 | 1 | 0.01 | +http://www.domainoptima.com/robot |
| 57 | 5 | 0.01 | 1 | 0.01 | +http://fulltext.sblog.cz/screenshot/ |
| 58 | 5 | 0.01 | 1 | 0.01 | +; |
| 59 | 4 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/ |
| 60 | 2 | 0.01 | 0 | 0.00 | +http://image2play.com/ |
| 61 | 2 | 0.01 | 0 | 0.00 | AnyEvent-HTTP/2.21; +http://software.sch... |
| 62 | 1 | 0.00 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 63 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.5 |
| 64 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.4 |
| 65 | 1 | 0.00 | 0 | 0.00 | http://drive.google.com |
