| Used Operating Systems |
| 1 | 28344 | 54.58 | 226 | 2.12 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 8267 | 15.92 | 2918 | 27.38 | +http://ahrefs.com/robot/ |
| 3 | 6661 | 12.83 | 4485 | 42.09 | +http://www.baidu.com/search/spider.html |
| 4 | 3034 | 5.84 | 1007 | 9.45 | Windows NT |
| 5 | 1356 | 2.61 | 632 | 5.93 | +http://www.google.com/bot.html |
| 6 | 1008 | 1.94 | 5 | 0.05 | +http://www.warebay.com/bot.html |
| 7 | 907 | 1.75 | 342 | 3.21 | +http://www.bing.com/bingbot.htm |
| 8 | 475 | 0.91 | 286 | 2.68 | +http://www.linkdex.com/bots/ |
| 9 | 473 | 0.91 | 135 | 1.27 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 416 | 0.80 | 131 | 1.23 | +http://yandex.com/bots |
| 11 | 405 | 0.78 | 326 | 3.06 | +http://www.xovibot.net/ |
| 12 | 102 | 0.20 | 33 | 0.31 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 78 | 0.15 | 17 | 0.16 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 73 | 0.14 | 7 | 0.07 | +http://fulltext.sblog.cz/ |
| 15 | 31 | 0.06 | 1 | 0.01 | AOL 9.7; AOLBuild 4343.30; Windows NT 6.... |
| 16 | 30 | 0.06 | 3 | 0.03 | +http://megaindex.com/crawler |
| 17 | 28 | 0.05 | 12 | 0.11 | +http://help.coccoc.com/ |
| 18 | 22 | 0.04 | 10 | 0.09 | +http://duckduckgo.com |
| 19 | 21 | 0.04 | 3 | 0.03 | +; |
| 20 | 20 | 0.04 | 2 | 0.02 | +https://www.aihitdata.com/about |
| 21 | 20 | 0.04 | 3 | 0.03 | Windows 98 |
| 22 | 19 | 0.04 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 23 | 18 | 0.03 | 8 | 0.08 | +http://www.exabot.com/go/robot |
| 24 | 16 | 0.03 | 16 | 0.15 | apps-spreadsheets; +http://docs.google.c... |
| 25 | 14 | 0.03 | 8 | 0.08 | +https://www.mojeek.com/bot.html |
| 26 | 14 | 0.03 | 7 | 0.07 | +http://www.semrush.com/bot.html |
| 27 | 12 | 0.02 | 6 | 0.06 | +http://www.meanpath.com/meanpathbot.htm... |
| 28 | 10 | 0.02 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 29 | 7 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 30 | 7 | 0.01 | 2 | 0.02 | X11 |
| 31 | 6 | 0.01 | 2 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 32 | 5 | 0.01 | 2 | 0.02 | Android 2.3.5 |
| 33 | 5 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 34 | 4 | 0.01 | 2 | 0.02 | http://www.botje.com/plukkie.htm |
| 35 | 4 | 0.01 | 2 | 0.02 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 36 | 3 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 37 | 2 | 0.00 | 2 | 0.02 | +http://glutenfreepleasure.com/ |
| 38 | 2 | 0.00 | 2 | 0.02 | http://nmap.org/book/nse.html |
| 39 | 2 | 0.00 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 40 | 2 | 0.00 | 2 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 41 | 1 | 0.00 | 1 | 0.01 | +http://pmoz.info/doc/botinfo.htm |
| 42 | 1 | 0.00 | 1 | 0.01 | +https://www.wslta.com/WoTBoT.html |
| 43 | 1 | 0.00 | 1 | 0.01 | Windows ME |
| 44 | 1 | 0.00 | 1 | 0.01 | Windows XP |
| 45 | 1 | 0.00 | 1 | 0.01 | Windows 3.1 |
| 46 | 1 | 0.00 | 1 | 0.01 | Windows 95 |
| 47 | 1 | 0.00 | 1 | 0.01 | +http://privatewww.essex.ac.uk/~jcread/W... |
| 48 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
