| Used Operating Systems |
| 1 | 6059 | 58.42 | 4667 | 72.37 | +http://www.baidu.com/search/spider.html |
| 2 | 1406 | 13.56 | 718 | 11.13 | Windows NT |
| 3 | 773 | 7.45 | 347 | 5.38 | +http://www.google.com/bot.html |
| 4 | 441 | 4.25 | 189 | 2.93 | +http://www.bing.com/bingbot.htm |
| 5 | 366 | 3.53 | 152 | 2.36 | http://www.opensiteexplorer.org/dotbot, ... |
| 6 | 245 | 2.36 | 71 | 1.10 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 232 | 2.24 | 48 | 0.74 | +http://yandex.com/bots |
| 8 | 112 | 1.08 | 17 | 0.26 | +http://fulltext.sblog.cz/ |
| 9 | 63 | 0.61 | 30 | 0.47 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 57 | 0.55 | 1 | 0.02 | Android |
| 11 | 50 | 0.48 | 32 | 0.50 | Windows 95 |
| 12 | 45 | 0.43 | 0 | 0.00 | +http://corp.sputnik.ru/webmaster |
| 13 | 39 | 0.38 | 13 | 0.20 | Windows XP |
| 14 | 37 | 0.36 | 20 | 0.31 | +http://ahrefs.com/robot/ |
| 15 | 36 | 0.35 | 4 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 16 | 36 | 0.35 | 4 | 0.06 | +http://www.apple.com/go/applebot |
| 17 | 34 | 0.33 | 2 | 0.03 | +http://www.warebay.com/bot.html |
| 18 | 34 | 0.33 | 16 | 0.25 | +http://duckduckgo.com |
| 19 | 33 | 0.32 | 10 | 0.16 | +http://www.semrush.com/bot.html |
| 20 | 28 | 0.27 | 13 | 0.20 | +http://www.linkdex.com/bots/ |
| 21 | 28 | 0.27 | 13 | 0.20 | +http://help.coccoc.com/ |
| 22 | 26 | 0.25 | 11 | 0.17 | +http://www.exabot.com/go/robot |
| 23 | 21 | 0.20 | 3 | 0.05 | +; |
| 24 | 16 | 0.15 | 8 | 0.12 | Linux i686 [unknown version] |
| 25 | 15 | 0.14 | 5 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 26 | 12 | 0.12 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 27 | 11 | 0.11 | 6 | 0.09 | +https://deusu.de/robot.html |
| 28 | 10 | 0.10 | 0 | 0.00 | Linux [unknown version] |
| 29 | 10 | 0.10 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 30 | 10 | 0.10 | 1 | 0.02 | +https://www.aihitdata.com/about |
| 31 | 10 | 0.10 | 5 | 0.08 | +http://www.meanpath.com/meanpathbot.htm... |
| 32 | 8 | 0.08 | 4 | 0.06 | http://www.botje.com/plukkie.htm |
| 33 | 7 | 0.07 | 3 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 34 | 6 | 0.06 | 2 | 0.03 | Windows 2000 |
| 35 | 6 | 0.06 | 2 | 0.03 | Auto; Windows |
| 36 | 6 | 0.06 | 5 | 0.08 | apps-spreadsheets; +http://docs.google.c... |
| 37 | 6 | 0.06 | 2 | 0.03 | +http://prlog.ru/ |
| 38 | 5 | 0.05 | 3 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 39 | 4 | 0.04 | 4 | 0.06 | not on Windows server; |
| 40 | 4 | 0.04 | 2 | 0.03 | SunOS 4.1.x |
| 41 | 3 | 0.03 | 2 | 0.03 | http://nmap.org/book/nse.html |
| 42 | 3 | 0.03 | 1 | 0.02 | Windows ME |
| 43 | 3 | 0.03 | 2 | 0.03 | +info@netcraft.com |
| 44 | 3 | 0.03 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 45 | 3 | 0.03 | 1 | 0.02 | Windows 98 |
| 46 | 2 | 0.02 | 1 | 0.02 | +https://www.mojeek.com/bot.html |
| 47 | 2 | 0.02 | 2 | 0.03 | FreeBSD [unknown version] |
| 48 | 2 | 0.02 | 2 | 0.03 | X11 |
| 49 | 1 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 50 | 1 | 0.01 | 1 | 0.02 | SunOS sun4u |
| 51 | 1 | 0.01 | 1 | 0.02 | +http://privatewww.essex.ac.uk/~jcread/W... |
| 52 | 1 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
