| Used Operating Systems |
| 1 | 13195 | 38.95 | 151 | 2.86 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 8218 | 24.26 | 1768 | 33.47 | Windows NT |
| 3 | 3383 | 9.99 | 1 | 0.02 | +http://megaindex.com/crawler |
| 4 | 2952 | 8.71 | 414 | 7.84 | +http://ahrefs.com/robot/ |
| 5 | 1811 | 5.35 | 1691 | 32.01 | +http://www.baidu.com/search/spider.html |
| 6 | 1100 | 3.25 | 257 | 4.87 | +http://www.bing.com/bingbot.htm |
| 7 | 509 | 1.50 | 4 | 0.08 | +http://www.warebay.com/bot.html |
| 8 | 456 | 1.35 | 258 | 4.88 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 416 | 1.23 | 200 | 3.79 | +http://www.google.com/bot.html |
| 10 | 366 | 1.08 | 122 | 2.31 | +http://www.profound.net/domainappender |
| 11 | 312 | 0.92 | 77 | 1.46 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 300 | 0.89 | 77 | 1.46 | +http://www.linkdex.com/bots/ |
| 13 | 166 | 0.49 | 69 | 1.31 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 162 | 0.48 | 7 | 0.13 | +http://fulltext.sblog.cz/ |
| 15 | 96 | 0.28 | 36 | 0.68 | +http://yandex.com/bots |
| 16 | 84 | 0.25 | 2 | 0.04 | Linux [unknown version] |
| 17 | 51 | 0.15 | 1 | 0.02 | +https://www.aihitdata.com/about |
| 18 | 47 | 0.14 | 17 | 0.32 | Windows XP |
| 19 | 38 | 0.11 | 22 | 0.42 | Windows 95 |
| 20 | 36 | 0.11 | 18 | 0.34 | +http://duckduckgo.com |
| 21 | 32 | 0.09 | 30 | 0.57 | +info@netcraft.com |
| 22 | 25 | 0.07 | 13 | 0.25 | Windows 98 |
| 23 | 24 | 0.07 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 24 | 17 | 0.05 | 4 | 0.08 | X11 |
| 25 | 11 | 0.03 | 5 | 0.09 | ) - BrowseX (2.0.0 Windows |
| 26 | 9 | 0.03 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 27 | 7 | 0.02 | 4 | 0.08 | Windows CE |
| 28 | 5 | 0.01 | 5 | 0.09 | Windows 3.1 |
| 29 | 5 | 0.01 | 1 | 0.02 | Android 2.3.5 |
| 30 | 4 | 0.01 | 3 | 0.06 | http://nmap.org/book/nse.html |
| 31 | 4 | 0.01 | 1 | 0.02 | Windows 92 |
| 32 | 4 | 0.01 | 2 | 0.04 | +http://www.exabot.com/go/robot |
| 33 | 3 | 0.01 | 3 | 0.06 | Windows ME |
| 34 | 3 | 0.01 | 2 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 35 | 3 | 0.01 | 3 | 0.06 | Linux i686 [unknown version] |
| 36 | 2 | 0.01 | 2 | 0.04 | Windows 2000 |
| 37 | 2 | 0.01 | 1 | 0.02 | +http://sur.ly/bot.html |
| 38 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 39 | 2 | 0.01 | 1 | 0.02 | +https://www.mojeek.com/bot.html |
| 40 | 2 | 0.01 | 1 | 0.02 | http://www.botje.com/plukkie.htm |
| 41 | 2 | 0.01 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 42 | 1 | 0.00 | 1 | 0.02 | Auto; Windows |
| 43 | 1 | 0.00 | 1 | 0.02 | PPC Mac OS X 10.4 |
| 44 | 1 | 0.00 | 1 | 0.02 | PPC Mac OS X Mach-O |
| 45 | 1 | 0.00 | 1 | 0.02 | Intel Mac OS X 10.6 |
| 46 | 1 | 0.00 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 47 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 48 | 1 | 0.00 | 1 | 0.02 | +http://www.semrush.com/bot.html |
