| Used Operating Systems |
| 1 | 32933 | 35.88 | 8202 | 55.93 | +http://ahrefs.com/robot/ |
| 2 | 24830 | 27.05 | 431 | 2.94 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 5840 | 6.36 | 1066 | 7.27 | Windows NT |
| 4 | 5574 | 6.07 | 1421 | 9.69 | +http://www.bing.com/bingbot.htm |
| 5 | 3336 | 3.63 | 1365 | 9.31 | +http://www.google.com/bot.html |
| 6 | 2881 | 3.14 | 504 | 3.44 | +http://yandex.com/bots |
| 7 | 2752 | 3.00 | 625 | 4.26 | +http://www.xovibot.net/ |
| 8 | 2536 | 2.76 | 0 | 0.00 | +http://www.baidu.com/search/spider.html |
| 9 | 1859 | 2.03 | 2 | 0.01 | crawler@goodzer.com |
| 10 | 1771 | 1.93 | 162 | 1.10 | +http://www.semrush.com/bot.html |
| 11 | 1684 | 1.83 | 3 | 0.02 | +http://megaindex.com/crawler |
| 12 | 1681 | 1.83 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 13 | 779 | 0.85 | 6 | 0.04 | +http://www.warebay.com/bot.html |
| 14 | 708 | 0.77 | 366 | 2.50 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 557 | 0.61 | 3 | 0.02 | +http://webmeup-crawler.com/ |
| 16 | 460 | 0.50 | 107 | 0.73 | +http://www.linkdex.com/bots/ |
| 17 | 255 | 0.28 | 5 | 0.03 | Linux [unknown version] |
| 18 | 224 | 0.24 | 71 | 0.48 | http://www.opensiteexplorer.org/dotbot, ... |
| 19 | 198 | 0.22 | 37 | 0.25 | +http://fulltext.sblog.cz/ |
| 20 | 118 | 0.13 | 53 | 0.36 | +http://duckduckgo.com |
| 21 | 117 | 0.13 | 20 | 0.14 | http://www.bing.com/bingbot.htm |
| 22 | 116 | 0.13 | 7 | 0.05 | +https://www.aihitdata.com/about |
| 23 | 80 | 0.09 | 38 | 0.26 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 75 | 0.08 | 25 | 0.17 | Windows XP |
| 25 | 41 | 0.04 | 11 | 0.08 | Windows 95 |
| 26 | 35 | 0.04 | 5 | 0.03 | +; |
| 27 | 34 | 0.04 | 17 | 0.12 | +http://www.exabot.com/go/robot |
| 28 | 32 | 0.03 | 15 | 0.10 | http://www.botje.com/plukkie.htm |
| 29 | 32 | 0.03 | 4 | 0.03 | +http://www.profound.net/domainappender |
| 30 | 28 | 0.03 | 4 | 0.03 | http://filterdb.iss.net/crawler/ |
| 31 | 24 | 0.03 | 8 | 0.05 | Windows 98 |
| 32 | 16 | 0.02 | 2 | 0.01 | Windows CE |
| 33 | 16 | 0.02 | 13 | 0.09 | +info@netcraft.com |
| 34 | 14 | 0.02 | 1 | 0.01 | +http://inbyapp.com |
| 35 | 11 | 0.01 | 2 | 0.01 | crawler@mixrank.com |
| 36 | 11 | 0.01 | 7 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 37 | 10 | 0.01 | 3 | 0.02 | Windows 2000 |
| 38 | 10 | 0.01 | 5 | 0.03 | +https://www.mojeek.com/bot.html |
| 39 | 10 | 0.01 | 3 | 0.02 | Linux i686 [unknown version] |
| 40 | 9 | 0.01 | 2 | 0.01 | http://nmap.org/book/nse.html |
| 41 | 9 | 0.01 | 9 | 0.06 | apps-spreadsheets; +http://docs.google.c... |
| 42 | 9 | 0.01 | 3 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 43 | 9 | 0.01 | 3 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 44 | 7 | 0.01 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 45 | 7 | 0.01 | 3 | 0.02 | +http://gimmeusa.com/crawler.html |
| 46 | 6 | 0.01 | 1 | 0.01 | Auto; Windows |
| 47 | 6 | 0.01 | 2 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 48 | 5 | 0.01 | 2 | 0.01 | Windows 3.1 |
| 49 | 4 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 50 | 4 | 0.00 | 3 | 0.02 | X11 |
| 51 | 3 | 0.00 | 2 | 0.01 | Intel Mac OS X 10.4 |
| 52 | 3 | 0.00 | 1 | 0.01 | Windows ME |
| 53 | 3 | 0.00 | 3 | 0.02 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 54 | 3 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 55 | 2 | 0.00 | 2 | 0.01 | OpenBSD [unknown version] |
| 56 | 2 | 0.00 | 0 | 0.00 | J2ME/MIDP |
| 57 | 2 | 0.00 | 2 | 0.01 | +http://www.domaintuno.com/robot |
| 58 | 2 | 0.00 | 0 | 0.00 | +http://www.domainoptima.com/robot |
| 59 | 2 | 0.00 | 0 | 0.00 | apps-presentations; +http://docs.google.... |
| 60 | 2 | 0.00 | 1 | 0.01 | Android 2.3.5 |
| 61 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 62 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 63 | 1 | 0.00 | 1 | 0.01 | +http://gimmeusa.com/crawler |
| 64 | 1 | 0.00 | 0 | 0.00 | Android |
| 65 | 1 | 0.00 | 1 | 0.01 | +http://privatewww.essex.ac.uk/~jcread/W... |
| 66 | 1 | 0.00 | 1 | 0.01 | +https://www.wslta.com/WoTBoT.html |
