| Used Operating Systems by Visits |
| 1 | 10227 | 34.55 | 8509 | 56.49 | +http://www.baidu.com/search/spider.html |
| 2 | 4360 | 14.73 | 1724 | 11.45 | Windows NT |
| 3 | 2123 | 7.17 | 1013 | 6.73 | +http://www.easou.com/search/spider.html |
| 4 | 3417 | 11.54 | 926 | 6.15 | +http://www.bing.com/bingbot.htm |
| 5 | 1672 | 5.65 | 890 | 5.91 | +http://www.google.com/bot.html |
| 6 | 715 | 2.42 | 468 | 3.11 | +http://ahrefs.com/robot/ |
| 7 | 912 | 3.08 | 371 | 2.46 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 1353 | 4.57 | 337 | 2.24 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 594 | 2.01 | 156 | 1.04 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 541 | 1.83 | 143 | 0.95 | +http://yandex.com/bots |
| 11 | 317 | 1.07 | 140 | 0.93 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 383 | 1.29 | 77 | 0.51 | +http://www.semrush.com/bot.html |
| 13 | 65 | 0.22 | 31 | 0.21 | +http://www.exabot.com/go/robot |
| 14 | 461 | 1.56 | 29 | 0.19 | +http://fulltext.sblog.cz/ |
| 15 | 77 | 0.26 | 26 | 0.17 | Windows 95 |
| 16 | 50 | 0.17 | 24 | 0.16 | +http://help.coccoc.com/ |
| 17 | 50 | 0.17 | 24 | 0.16 | +http://www.meanpath.com/meanpathbot.htm... |
| 18 | 55 | 0.19 | 21 | 0.14 | +http://www.linkdex.com/bots/ |
| 19 | 25 | 0.08 | 19 | 0.13 | +http://www.xovibot.net/ |
| 20 | 180 | 0.61 | 18 | 0.12 | http://www.searchmetrics.com/en/searchme... |
| 21 | 63 | 0.21 | 17 | 0.11 | Windows 98 |
| 22 | 12 | 0.04 | 12 | 0.08 | Linux i686 [unknown version] |
| 23 | 71 | 0.24 | 7 | 0.05 | +http://www.profound.net/domainappender |
| 24 | 21 | 0.07 | 6 | 0.04 | Windows XP |
| 25 | 18 | 0.06 | 6 | 0.04 | Windows ME |
| 26 | 15 | 0.05 | 5 | 0.03 | Windows CE |
| 27 | 15 | 0.05 | 5 | 0.03 | Windows 2000 |
| 28 | 12 | 0.04 | 4 | 0.03 | Auto; Windows |
| 29 | 4 | 0.01 | 4 | 0.03 | +http://pmoz.info/doc/botinfo.htm |
| 30 | 15 | 0.05 | 4 | 0.03 | +http://siteexplorer.info/ |
| 31 | 23 | 0.08 | 3 | 0.02 | Linux [unknown version] |
| 32 | 9 | 0.03 | 3 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 33 | 702 | 2.37 | 3 | 0.02 | http://crawler.007ac9.net/ |
| 34 | 22 | 0.07 | 2 | 0.01 | crawler@mixrank.com |
| 35 | 4 | 0.01 | 2 | 0.01 | +http://www.proximic.com/info/spider.php |
| 36 | 2 | 0.01 | 2 | 0.01 | +http://fb02itsscan.fh-muenster.de |
| 37 | 8 | 0.03 | 2 | 0.01 | +http://plus5files.net |
| 38 | 542 | 1.83 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 39 | 9 | 0.03 | 2 | 0.01 | Windows 3.1 |
| 40 | 4 | 0.01 | 2 | 0.01 | +info@netcraft.com |
| 41 | 3 | 0.01 | 2 | 0.01 | +http://www.wevika.de/ |
| 42 | 2 | 0.01 | 2 | 0.01 | +http://www.loadtime.net/bot.html |
| 43 | 4 | 0.01 | 2 | 0.01 | +http://botw.org |
| 44 | 6 | 0.02 | 2 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 45 | 5 | 0.02 | 2 | 0.01 | Macintosh |
| 46 | 6 | 0.02 | 2 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 47 | 4 | 0.01 | 2 | 0.01 | +http://help.naver.com/robots/ |
| 48 | 2 | 0.01 | 1 | 0.01 | Win32 |
| 49 | 4 | 0.01 | 1 | 0.01 | +http://getdownload.ws |
| 50 | 4 | 0.01 | 1 | 0.01 | +http://mono.name |
| 51 | 2 | 0.01 | 1 | 0.01 | http://crawler.sistrix.net/ |
| 52 | 3 | 0.01 | 1 | 0.01 | +https://www.mojeek.com/bot.html |
| 53 | 4 | 0.01 | 1 | 0.01 | +http://galaxydownloads.co |
| 54 | 1 | 0.00 | 1 | 0.01 | +http://gimme60.com |
| 55 | 352 | 1.19 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 56 | 2 | 0.01 | 1 | 0.01 | ScoutJet; +http://blekko.com/about/blekk... |
| 57 | 1 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 58 | 4 | 0.01 | 0 | 0.00 | Windows |
| 59 | 4 | 0.01 | 0 | 0.00 | J2ME/MIDP |
| 60 | 4 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 61 | 6 | 0.02 | 0 | 0.00 | Linux 2.4.x |
| 62 | 4 | 0.01 | 0 | 0.00 | +http://images.weserv.nl/ |
| 63 | 4 | 0.01 | 0 | 0.00 | Windows 9. |
| 64 | 10 | 0.03 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 65 | 6 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 66 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 67 | 2 | 0.01 | 0 | 0.00 | +http://wummel.github.io/linkchecker/ |
| 68 | 2 | 0.01 | 0 | 0.00 | Windows Phone OS 7.5 |
