| Used Operating Systems |
| 1 | 16055 | 31.01 | 7384 | 48.13 | +http://www.baidu.com/search/spider.html |
| 2 | 13054 | 25.22 | 247 | 1.61 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 10471 | 20.23 | 3851 | 25.10 | Windows NT |
| 4 | 4189 | 8.09 | 925 | 6.03 | +http://www.bing.com/bingbot.htm |
| 5 | 2100 | 4.06 | 912 | 5.94 | +http://www.google.com/bot.html |
| 6 | 1636 | 3.16 | 344 | 2.24 | +http://yandex.com/bots |
| 7 | 736 | 1.42 | 295 | 1.92 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 414 | 0.80 | 323 | 2.11 | +http://ahrefs.com/robot/ |
| 9 | 377 | 0.73 | 257 | 1.68 | Windows 95 |
| 10 | 322 | 0.62 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 11 | 292 | 0.56 | 35 | 0.23 | Windows 98 |
| 12 | 242 | 0.47 | 71 | 0.46 | +http://www.linkdex.com/bots/ |
| 13 | 240 | 0.46 | 20 | 0.13 | http://www.searchmetrics.com/en/searchme... |
| 14 | 213 | 0.41 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 15 | 200 | 0.39 | 1 | 0.01 | +http://www.seokicks.de/robot.html |
| 16 | 158 | 0.31 | 60 | 0.39 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 102 | 0.20 | 69 | 0.45 | MSIE 5.5; Windows NT 4.0 |
| 18 | 86 | 0.17 | 56 | 0.36 | ) - BrowseX (2.0.0 Windows |
| 19 | 84 | 0.16 | 2 | 0.01 | +http://www.aihitdata.com/about |
| 20 | 75 | 0.14 | 62 | 0.40 | Auto; Windows |
| 21 | 73 | 0.14 | 55 | 0.36 | Windows CE |
| 22 | 71 | 0.14 | 56 | 0.36 | MSIE 5.5; Windows NT 5.0 |
| 23 | 69 | 0.13 | 56 | 0.36 | Windows ME |
| 24 | 67 | 0.13 | 3 | 0.02 | Windows XP |
| 25 | 62 | 0.12 | 49 | 0.32 | Windows 3.1 |
| 26 | 54 | 0.10 | 40 | 0.26 | +http://www.xovibot.net/ |
| 27 | 51 | 0.10 | 16 | 0.10 | http://www.opensiteexplorer.org/dotbot, ... |
| 28 | 50 | 0.10 | 45 | 0.29 | Windows 2000 |
| 29 | 47 | 0.09 | 40 | 0.26 | +http://www.easou.com/search/spider.html |
| 30 | 40 | 0.08 | 12 | 0.08 | +http://www.exabot.com/go/robot |
| 31 | 30 | 0.06 | 14 | 0.09 | +http://duckduckgo.com |
| 32 | 19 | 0.04 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 33 | 12 | 0.02 | 6 | 0.04 | http://crawler.sistrix.net/ |
| 34 | 10 | 0.02 | 3 | 0.02 | Windows Phone OS 7.5 |
| 35 | 9 | 0.02 | 4 | 0.03 | X11 |
| 36 | 8 | 0.02 | 2 | 0.01 | +http://trumpetsheetmusic.org |
| 37 | 6 | 0.01 | 6 | 0.04 | +http://www.domaintuno.com/robot |
| 38 | 6 | 0.01 | 3 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 39 | 4 | 0.01 | 1 | 0.01 | +http://downloadmine.biz |
| 40 | 4 | 0.01 | 1 | 0.01 | +http://mercedes-w123.net |
| 41 | 4 | 0.01 | 1 | 0.01 | +http://medialine-it.com |
| 42 | 3 | 0.01 | 3 | 0.02 | +http://fb02itsscan.fh-muenster.de |
| 43 | 3 | 0.01 | 1 | 0.01 | +http://overx50.com |
| 44 | 3 | 0.01 | 0 | 0.00 | http://drive.google.com |
| 45 | 3 | 0.01 | 1 | 0.01 | +http://isdownload.biz |
| 46 | 3 | 0.01 | 2 | 0.01 | Linux i686 [unknown version] |
| 47 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 48 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.4 |
| 49 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 50 | 1 | 0.00 | 0 | 0.00 | J2ME/MIDP |
| 51 | 1 | 0.00 | 1 | 0.01 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 52 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 53 | 1 | 0.00 | 1 | 0.01 | http://blog.wasalive.com/wasalive-bots/ |
| 54 | 1 | 0.00 | 1 | 0.01 | Linux 2.6.x |
| 55 | 1 | 0.00 | 1 | 0.01 | +; |
| 56 | 1 | 0.00 | 1 | 0.01 | Android 2.3.5 |
