| Used Operating Systems |
| 1 | 20569 | 48.08 | 169 | 2.27 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7317 | 17.10 | 1544 | 20.76 | Windows NT |
| 3 | 5032 | 11.76 | 2386 | 32.07 | +http://ahrefs.com/robot/ |
| 4 | 3123 | 7.30 | 5 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 5 | 2401 | 5.61 | 2090 | 28.10 | +http://www.baidu.com/search/spider.html |
| 6 | 1458 | 3.41 | 297 | 3.99 | +http://www.bing.com/bingbot.htm |
| 7 | 472 | 1.10 | 110 | 1.48 | +http://www.linkdex.com/bots/ |
| 8 | 415 | 0.97 | 190 | 2.55 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 404 | 0.94 | 3 | 0.04 | +http://webmeup-crawler.com/ |
| 10 | 363 | 0.85 | 181 | 2.43 | +http://yandex.com/bots |
| 11 | 339 | 0.79 | 164 | 2.20 | +http://www.google.com/bot.html |
| 12 | 190 | 0.44 | 15 | 0.20 | +http://fulltext.sblog.cz/ |
| 13 | 129 | 0.30 | 123 | 1.65 | +http://www.xovibot.net/ |
| 14 | 82 | 0.19 | 1 | 0.01 | Linux [unknown version] |
| 15 | 81 | 0.19 | 1 | 0.01 | Linux i586 [unknown version] |
| 16 | 78 | 0.18 | 20 | 0.27 | +http://www.profound.net/domainappender |
| 17 | 71 | 0.17 | 28 | 0.38 | +http://www.exabot.com/go/robot |
| 18 | 36 | 0.08 | 31 | 0.42 | +http://www.uptime.com/uptimebot |
| 19 | 24 | 0.06 | 14 | 0.19 | apps-spreadsheets; +http://docs.google.c... |
| 20 | 24 | 0.06 | 12 | 0.16 | Windows 95 |
| 21 | 20 | 0.05 | 10 | 0.13 | +http://duckduckgo.com |
| 22 | 18 | 0.04 | 8 | 0.11 | http://www.opensiteexplorer.org/dotbot, ... |
| 23 | 18 | 0.04 | 2 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 24 | 13 | 0.03 | 6 | 0.08 | Windows XP |
| 25 | 13 | 0.03 | 2 | 0.03 | X11 |
| 26 | 12 | 0.03 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 27 | 11 | 0.03 | 5 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 28 | 8 | 0.02 | 1 | 0.01 | Intel Mac OS X 10.6 |
| 29 | 7 | 0.02 | 5 | 0.07 | Linux i686 [unknown version] |
| 30 | 7 | 0.02 | 2 | 0.03 | Android 2.3.5 |
| 31 | 6 | 0.01 | 3 | 0.04 | Windows 3.1 |
| 32 | 6 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 33 | 6 | 0.01 | 1 | 0.01 | Windows 98 |
| 34 | 4 | 0.01 | 2 | 0.03 | Windows 2000 |
| 35 | 4 | 0.01 | 0 | 0.00 | Win32 |
| 36 | 3 | 0.01 | 1 | 0.01 | Windows CE |
| 37 | 3 | 0.01 | 2 | 0.03 | http://nmap.org/book/nse.html |
| 38 | 3 | 0.01 | 1 | 0.01 | +http://sur.ly/bot.html |
| 39 | 3 | 0.01 | 1 | 0.01 | Windows ME |
| 40 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 41 | 2 | 0.00 | 0 | 0.00 | Macintosh |
| 42 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 43 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
