| Used Operating Systems |
| 1 | 13800 | 73.99 | 167 | 6.35 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 1466 | 7.86 | 1060 | 40.29 | +http://www.baidu.com/search/spider.html |
| 3 | 1129 | 6.05 | 409 | 15.55 | Windows NT |
| 4 | 640 | 3.43 | 339 | 12.88 | +http://www.bing.com/bingbot.htm |
| 5 | 550 | 2.95 | 338 | 12.85 | +http://www.google.com/bot.html |
| 6 | 227 | 1.22 | 67 | 2.55 | +http://www.linkdex.com/bots/ |
| 7 | 123 | 0.66 | 41 | 1.56 | +http://yandex.com/bots |
| 8 | 105 | 0.56 | 1 | 0.04 | Intel Mac OS X 10.4 |
| 9 | 82 | 0.44 | 1 | 0.04 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 82 | 0.44 | 34 | 1.29 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 74 | 0.40 | 5 | 0.19 | +http://fulltext.sblog.cz/ |
| 12 | 53 | 0.28 | 28 | 1.06 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 41 | 0.22 | 22 | 0.84 | +http://www.exabot.com/go/robot |
| 14 | 40 | 0.21 | 21 | 0.80 | +http://www.semrush.com/bot.html |
| 15 | 32 | 0.17 | 14 | 0.53 | +http://help.coccoc.com/ |
| 16 | 24 | 0.13 | 22 | 0.84 | +http://www.xovibot.net/ |
| 17 | 20 | 0.11 | 2 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 18 | 20 | 0.11 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 19 | 18 | 0.10 | 1 | 0.04 | +http://fulltext.sblog.cz/screenshot/ |
| 20 | 18 | 0.10 | 3 | 0.11 | +http://www.findxbot.com |
| 21 | 14 | 0.08 | 9 | 0.34 | +http://ahrefs.com/robot/ |
| 22 | 10 | 0.05 | 2 | 0.08 | Linux i686 [unknown version] |
| 23 | 8 | 0.04 | 4 | 0.15 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 7 | 0.04 | 7 | 0.27 | +http://www.domaintuno.com/robot |
| 25 | 7 | 0.04 | 2 | 0.08 | Windows 98 |
| 26 | 6 | 0.03 | 2 | 0.08 | Windows 95 |
| 27 | 6 | 0.03 | 1 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 28 | 5 | 0.03 | 3 | 0.11 | +http://gimmeusa-update.com/crawler |
| 29 | 5 | 0.03 | 3 | 0.11 | X11 |
| 30 | 4 | 0.02 | 4 | 0.15 | +http://www.seograph.net/bot.html |
| 31 | 4 | 0.02 | 2 | 0.08 | +https://www.mojeek.com/bot.html |
| 32 | 3 | 0.02 | 1 | 0.04 | Windows CE |
| 33 | 3 | 0.02 | 1 | 0.04 | Windows 2000 |
| 34 | 3 | 0.02 | 1 | 0.04 | Windows ME |
| 35 | 3 | 0.02 | 2 | 0.08 | +info@netcraft.com |
| 36 | 3 | 0.02 | 1 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 37 | 2 | 0.01 | 2 | 0.08 | +http://pmoz.info/doc/botinfo.htm |
| 38 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 39 | 2 | 0.01 | 1 | 0.04 | +http://www.wevika.de/ |
| 40 | 2 | 0.01 | 2 | 0.08 | +http://webdirpro.net |
| 41 | 2 | 0.01 | 1 | 0.04 | +http://duckduckgo.com |
| 42 | 2 | 0.01 | 1 | 0.04 | +http://help.naver.com/robots/ |
| 43 | 1 | 0.01 | 1 | 0.04 | http://nmap.org/book/nse.html |
| 44 | 1 | 0.01 | 1 | 0.04 | Windows 3.1 |
| 45 | 1 | 0.01 | 1 | 0.04 | Linux [unknown version] |
| 46 | 1 | 0.01 | 1 | 0.04 | +http://www.grapeshot.co.uk/crawler.php |
