| Used Operating Systems |
| 1 | 27421 | 38.50 | 183 | 1.59 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 15326 | 21.52 | 2652 | 23.04 | Windows NT |
| 3 | 10174 | 14.28 | 3053 | 26.52 | +http://ahrefs.com/robot/ |
| 4 | 4361 | 6.12 | 771 | 6.70 | +http://www.bing.com/bingbot.htm |
| 5 | 4071 | 5.72 | 854 | 7.42 | +http://www.xovibot.net/ |
| 6 | 3003 | 4.22 | 2224 | 19.32 | +http://www.baidu.com/search/spider.html |
| 7 | 1605 | 2.25 | 527 | 4.58 | +http://www.google.com/bot.html |
| 8 | 1450 | 2.04 | 405 | 3.52 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 644 | 0.90 | 110 | 0.96 | +http://yandex.com/bots |
| 10 | 531 | 0.75 | 184 | 1.60 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 471 | 0.66 | 117 | 1.02 | +http://www.linkdex.com/bots/ |
| 12 | 468 | 0.66 | 106 | 0.92 | +http://fulltext.sblog.cz/ |
| 13 | 272 | 0.38 | 8 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 14 | 176 | 0.25 | 53 | 0.46 | http://www.bing.com/bingbot.htm |
| 15 | 162 | 0.23 | 26 | 0.23 | +http://www.semrush.com/bot.html |
| 16 | 116 | 0.16 | 5 | 0.04 | +http://www.apple.com/go/applebot |
| 17 | 109 | 0.15 | 36 | 0.31 | Windows XP |
| 18 | 96 | 0.13 | 12 | 0.10 | +http://www.profound.net/domainappender |
| 19 | 74 | 0.10 | 4 | 0.03 | Android |
| 20 | 70 | 0.10 | 2 | 0.02 | +https://www.aihitdata.com/about |
| 21 | 62 | 0.09 | 2 | 0.02 | +http://webmeup-crawler.com/ |
| 22 | 60 | 0.08 | 21 | 0.18 | Windows 95 |
| 23 | 55 | 0.08 | 26 | 0.23 | +http://www.exabot.com/go/robot |
| 24 | 46 | 0.06 | 2 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 25 | 37 | 0.05 | 10 | 0.09 | Windows 98 |
| 26 | 36 | 0.05 | 1 | 0.01 | +http://www.warebay.com/bot.html |
| 27 | 30 | 0.04 | 10 | 0.09 | X11 |
| 28 | 28 | 0.04 | 6 | 0.05 | http://www.botje.com/plukkie.htm |
| 29 | 24 | 0.03 | 12 | 0.10 | +http://duckduckgo.com |
| 30 | 20 | 0.03 | 8 | 0.07 | +https://deusu.de/robot.html |
| 31 | 20 | 0.03 | 9 | 0.08 | +http://help.coccoc.com/ |
| 32 | 19 | 0.03 | 0 | 0.00 | +https://www.mojeek.com/bot.html |
| 33 | 18 | 0.03 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 34 | 17 | 0.02 | 5 | 0.04 | Windows 3.1 |
| 35 | 14 | 0.02 | 2 | 0.02 | +; |
| 36 | 12 | 0.02 | 6 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 37 | 11 | 0.02 | 6 | 0.05 | +http://monsido.com/bot.html; info@monsi... |
| 38 | 10 | 0.01 | 2 | 0.02 | Windows CE |
| 39 | 9 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 40 | 7 | 0.01 | 0 | 0.00 | not on Windows server; |
| 41 | 7 | 0.01 | 2 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 42 | 7 | 0.01 | 5 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 43 | 6 | 0.01 | 2 | 0.02 | Auto; Windows |
| 44 | 6 | 0.01 | 3 | 0.03 | +http://gimmeusa.com/crawler.html |
| 45 | 5 | 0.01 | 3 | 0.03 | Windows 2000 |
| 46 | 5 | 0.01 | 4 | 0.03 | +http://glutenfreepleasure.com/ |
| 47 | 5 | 0.01 | 3 | 0.03 | http://nmap.org/book/nse.html |
| 48 | 5 | 0.01 | 5 | 0.04 | Linux i686 [unknown version] |
| 49 | 5 | 0.01 | 3 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 50 | 5 | 0.01 | 2 | 0.02 | Android 2.3.5 |
| 51 | 4 | 0.01 | 2 | 0.02 | +http://www.scoutjet.com/ |
| 52 | 4 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 53 | 4 | 0.01 | 2 | 0.02 | Intel Mac OS X 10.4 |
| 54 | 4 | 0.01 | 2 | 0.02 | Windows ME |
| 55 | 3 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 56 | 3 | 0.00 | 2 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 57 | 2 | 0.00 | 2 | 0.02 | Linux [unknown version] |
| 58 | 2 | 0.00 | 2 | 0.02 | +http://www.parsijoo.ir/; crawler@parsij... |
| 59 | 2 | 0.00 | 2 | 0.02 | +http://megaindex.com/crawler |
| 60 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 61 | 2 | 0.00 | 2 | 0.02 | +http://flipboard.com/browserproxy |
| 62 | 1 | 0.00 | 1 | 0.01 | Macintosh |
