| Used Operating Systems by Visits |
| 1 | 8839 | 8.27 | 8423 | 37.38 | +http://www.baidu.com/search/spider.html |
| 2 | 35893 | 33.57 | 5363 | 23.80 | Windows NT |
| 3 | 28174 | 26.35 | 4873 | 21.63 | +http://www.bing.com/bingbot.htm |
| 4 | 7815 | 7.31 | 1389 | 6.16 | +http://www.google.com/bot.html |
| 5 | 4695 | 4.39 | 1135 | 5.04 | +http://ahrefs.com/robot/ |
| 6 | 5207 | 4.87 | 451 | 2.00 | ezooms.bot@gmail.com |
| 7 | 5676 | 5.31 | 242 | 1.07 | +http://yandex.com/bots |
| 8 | 216 | 0.20 | 216 | 0.96 | http://www.yodao.com/help/webmaster/spid... |
| 9 | 519 | 0.49 | 78 | 0.35 | +http://shoulu.jike.com/spider.html |
| 10 | 180 | 0.17 | 72 | 0.32 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 7044 | 6.59 | 69 | 0.31 | http://www.majestic12.co.uk/bot.php?+ |
| 12 | 178 | 0.17 | 40 | 0.18 | Windows 98 |
| 13 | 37 | 0.03 | 25 | 0.11 | +http://www.proximic.com/info/spider.php |
| 14 | 30 | 0.03 | 15 | 0.07 | Linux i686 [unknown version] |
| 15 | 15 | 0.01 | 14 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 16 | 129 | 0.12 | 13 | 0.06 | PPC Mac OS X 10.4 |
| 17 | 912 | 0.85 | 12 | 0.05 | http://crawler.sistrix.net/ |
| 18 | 18 | 0.02 | 10 | 0.04 | Linux [unknown version] |
| 19 | 15 | 0.01 | 7 | 0.03 | Windows 95 |
| 20 | 21 | 0.02 | 7 | 0.03 | +http://www.exabot.com/go/robot |
| 21 | 7 | 0.01 | 5 | 0.02 | AOL 9.0; AOLBuild 4327.271; Windows NT 5... |
| 22 | 352 | 0.33 | 5 | 0.02 | http://www.botje.com/plukkie.htm |
| 23 | 4 | 0.00 | 4 | 0.02 | +http://www.netseer.com/crawler.html; cr... |
| 24 | 26 | 0.02 | 4 | 0.02 | +http://go.mail.ru/help/robots |
| 25 | 7 | 0.01 | 3 | 0.01 | Macintosh PPC |
| 26 | 53 | 0.05 | 3 | 0.01 | J2ME/MIDP |
| 27 | 3 | 0.00 | 3 | 0.01 | Linux 2.0.x |
| 28 | 16 | 0.01 | 3 | 0.01 | Intel Mac OS X 10.4 |
| 29 | 13 | 0.01 | 3 | 0.01 | AOL 9.0; Windows NT 5.1; Trident/4.0; .N... |
| 30 | 32 | 0.03 | 3 | 0.01 | PPC Mac OS X Mach-O |
| 31 | 4 | 0.00 | 3 | 0.01 | +info@netcraft.com |
| 32 | 4 | 0.00 | 2 | 0.01 | Windows 2000 |
| 33 | 45 | 0.04 | 2 | 0.01 | AOL 9.6; AOLBuild 4340.5002; Windows NT ... |
| 34 | 4 | 0.00 | 2 | 0.01 | crawler@unister.de |
| 35 | 8 | 0.01 | 2 | 0.01 | Intel Mac OS X 10.7 |
| 36 | 9 | 0.01 | 2 | 0.01 | AOL 9.7; AOLBuild 4343.55; Windows NT 6.... |
| 37 | 5 | 0.00 | 2 | 0.01 | X11 |
| 38 | 6 | 0.01 | 2 | 0.01 | ScoutJet; +http://blekko.com/about/blekk... |
| 39 | 13 | 0.01 | 1 | 0.00 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 40 | 4 | 0.00 | 1 | 0.00 | Windows Mobile |
| 41 | 1 | 0.00 | 1 | 0.00 | Windows CE |
| 42 | 2 | 0.00 | 1 | 0.00 | RISC OS 4.02 |
| 43 | 2 | 0.00 | 1 | 0.00 | Win32 |
| 44 | 1 | 0.00 | 1 | 0.00 | OSF1 V4.0 alpha |
| 45 | 1 | 0.00 | 1 | 0.00 | Intel Mac OS X |
| 46 | 4 | 0.00 | 1 | 0.00 | Android |
| 47 | 19 | 0.02 | 1 | 0.00 | AOL 9.7; AOLBuild 4343.30; Windows NT 6.... |
| 48 | 243 | 0.23 | 1 | 0.00 | +http://www.warebay.com/bot.html |
| 49 | 75 | 0.07 | 1 | 0.00 | +http://filterdb.iss.net/crawler/ |
| 50 | 3 | 0.00 | 1 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 51 | 2 | 0.00 | 1 | 0.00 | Linux 2.4.x |
| 52 | 31 | 0.03 | 1 | 0.00 | AOL 9.7; AOLBuild 4343.19; Windows NT 5.... |
| 53 | 3 | 0.00 | 1 | 0.00 | Windows Phone OS 7.5 |
| 54 | 2 | 0.00 | 1 | 0.00 | Windows 3.1 |
| 55 | 1 | 0.00 | 1 | 0.00 | OSF1 V5.1 alpha |
| 56 | 1 | 0.00 | 1 | 0.00 | HP-UX B.10.x |
| 57 | 1 | 0.00 | 1 | 0.00 | +http://www.allrati.com/ |
| 58 | 7 | 0.01 | 1 | 0.00 | PPC Mac OS X 10.5 |
| 59 | 1 | 0.00 | 1 | 0.00 | Solaris 7.x |
| 60 | 6 | 0.01 | 1 | 0.00 | +http://domains.checkparams.com/ |
| 61 | 1 | 0.00 | 1 | 0.00 | AmigaOS/MC680x0 |
| 62 | 1 | 0.00 | 1 | 0.00 | IRIX 6.x |
| 63 | 211 | 0.20 | 1 | 0.00 | Macintosh |
| 64 | 52 | 0.05 | 0 | 0.00 | http://desktop.google.com/ |
| 65 | 9 | 0.01 | 0 | 0.00 | AOL 9.7; AOLBuild 4343.30; Windows NT 6.... |
| 66 | 22 | 0.02 | 0 | 0.00 | Windows 9. |
| 67 | 1 | 0.00 | 0 | 0.00 | Win16 |
| 68 | 4 | 0.00 | 0 | 0.00 | Windows XP |
