| Used Operating Systems |
| 1 | 4008 | 43.09 | 1978 | 35.44 | Windows NT |
| 2 | 2660 | 28.60 | 2473 | 44.31 | +http://www.baidu.com/search/spider.html |
| 3 | 1425 | 15.32 | 656 | 11.75 | +http://www.google.com/bot.html |
| 4 | 194 | 2.09 | 46 | 0.82 | +http://yandex.com/bots |
| 5 | 146 | 1.57 | 81 | 1.45 | +http://www.bing.com/bingbot.htm |
| 6 | 114 | 1.23 | 40 | 0.72 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 86 | 0.92 | 39 | 0.70 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 71 | 0.76 | 26 | 0.47 | +http://fulltext.sblog.cz/ |
| 9 | 60 | 0.65 | 28 | 0.50 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 50 | 0.54 | 26 | 0.47 | +http://www.exabot.com/go/robot |
| 11 | 41 | 0.44 | 21 | 0.38 | +http://www.easou.com/search/spider.html |
| 12 | 38 | 0.41 | 12 | 0.22 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 37 | 0.40 | 32 | 0.57 | Windows 95 |
| 14 | 33 | 0.35 | 23 | 0.41 | +http://www.linkdex.com/bots/ |
| 15 | 32 | 0.34 | 12 | 0.22 | +http://ahrefs.com/robot/ |
| 16 | 26 | 0.28 | 2 | 0.04 | Android |
| 17 | 22 | 0.24 | 3 | 0.05 | http://www.mojeek.com/bot.html |
| 18 | 20 | 0.22 | 2 | 0.04 | +http://www.seokicks.de/robot.html |
| 19 | 20 | 0.22 | 6 | 0.11 | Windows 98 |
| 20 | 18 | 0.19 | 1 | 0.02 | +http://fulltext.sblog.cz/screenshot/ |
| 21 | 15 | 0.16 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 22 | 15 | 0.16 | 9 | 0.16 | X11 |
| 23 | 12 | 0.13 | 1 | 0.02 | +http://www.linkpad.ru |
| 24 | 12 | 0.13 | 6 | 0.11 | +http://help.coccoc.com/ |
| 25 | 12 | 0.13 | 10 | 0.18 | +http://www.semrush.com/bot.html |
| 26 | 11 | 0.12 | 1 | 0.02 | http://www.lipperhey.com/ |
| 27 | 9 | 0.10 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 28 | 9 | 0.10 | 1 | 0.02 | +http://www.profound.net/urlappendbot.ht... |
| 29 | 9 | 0.10 | 1 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 30 | 8 | 0.09 | 0 | 0.00 | Windows 9. |
| 31 | 8 | 0.09 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 32 | 8 | 0.09 | 3 | 0.05 | Android 2.3.5 |
| 33 | 6 | 0.06 | 6 | 0.11 | Linux [unknown version] |
| 34 | 5 | 0.05 | 2 | 0.04 | +http://gimme60.com |
| 35 | 5 | 0.05 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 36 | 5 | 0.05 | 3 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 37 | 5 | 0.05 | 1 | 0.02 | +http://u12files.com/ |
| 38 | 4 | 0.04 | 1 | 0.02 | Linux i686 [unknown version] |
| 39 | 4 | 0.04 | 4 | 0.07 | ) - BrowseX (2.0.0 Windows |
| 40 | 4 | 0.04 | 4 | 0.07 | http://www.youdao.com/help/webmaster/spi... |
| 41 | 4 | 0.04 | 2 | 0.04 | +http://siteexplorer.info/ |
| 42 | 3 | 0.03 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 43 | 3 | 0.03 | 3 | 0.05 | +http://www.loadtime.net/bot.html |
| 44 | 3 | 0.03 | 1 | 0.02 | +http://freedlf.com/ |
| 45 | 2 | 0.02 | 1 | 0.02 | Windows 2000 |
| 46 | 2 | 0.02 | 1 | 0.02 | +http://www.proximic.com/info/spider.php |
| 47 | 2 | 0.02 | 1 | 0.02 | +http://www.netseer.com/crawler.html; cr... |
| 48 | 2 | 0.02 | 1 | 0.02 | http://crawler.sistrix.net/ |
| 49 | 2 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 50 | 2 | 0.02 | 1 | 0.02 | Intel Mac OS X 10.6 |
| 51 | 2 | 0.02 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 52 | 1 | 0.01 | 1 | 0.02 | Windows CE |
| 53 | 1 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 54 | 1 | 0.01 | 0 | 0.00 | Win32 |
| 55 | 1 | 0.01 | 1 | 0.02 | +http://136.186.231.16 |
| 56 | 1 | 0.01 | 1 | 0.02 | Auto; Windows |
| 57 | 1 | 0.01 | 1 | 0.02 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 58 | 1 | 0.01 | 1 | 0.02 | +http://wmaid.com/explore/ |
