| Used Operating Systems |
| 1 | 2490 | 34.97 | 1855 | 77.81 | +http://www.baidu.com/search/spider.html |
| 2 | 1258 | 17.67 | 140 | 5.87 | Windows NT |
| 3 | 1150 | 16.15 | 152 | 6.38 | +http://www.bing.com/bingbot.htm |
| 4 | 807 | 11.33 | 94 | 3.94 | +http://www.google.com/bot.html |
| 5 | 584 | 8.20 | 57 | 2.39 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 174 | 2.44 | 4 | 0.17 | +http://www.semrush.com/bot.html |
| 7 | 91 | 1.28 | 7 | 0.29 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 70 | 0.98 | 0 | 0.00 | +http://www.xovibot.net/ |
| 9 | 66 | 0.93 | 4 | 0.17 | +http://yandex.com/bots |
| 10 | 45 | 0.63 | 14 | 0.59 | +http://duckduckgo.com |
| 11 | 36 | 0.51 | 0 | 0.00 | +http://www.linkdex.com/bots/ |
| 12 | 31 | 0.44 | 1 | 0.04 | +http://www.warebay.com/bot.html |
| 13 | 30 | 0.42 | 4 | 0.17 | +http://help.coccoc.com/ |
| 14 | 30 | 0.42 | 4 | 0.17 | +http://fulltext.sblog.cz/ |
| 15 | 26 | 0.37 | 6 | 0.25 | +http://ahrefs.com/robot/ |
| 16 | 20 | 0.28 | 2 | 0.08 | +https://www.aihitdata.com/about |
| 17 | 20 | 0.28 | 5 | 0.21 | +http://www.meanpath.com/meanpathbot.htm... |
| 18 | 18 | 0.25 | 3 | 0.13 | http://nmap.org/book/nse.html |
| 19 | 14 | 0.20 | 2 | 0.08 | Windows 95 |
| 20 | 13 | 0.18 | 4 | 0.17 | +info@netcraft.com |
| 21 | 13 | 0.18 | 0 | 0.00 | +http://flipboard.com/browserproxy |
| 22 | 12 | 0.17 | 4 | 0.17 | +http://www.parsijoo.ir/; crawler@parsij... |
| 23 | 12 | 0.17 | 3 | 0.13 | http://www.botje.com/plukkie.htm |
| 24 | 9 | 0.13 | 1 | 0.04 | Linux i686 [unknown version] |
| 25 | 8 | 0.11 | 2 | 0.08 | +https://deusu.de/robot.html |
| 26 | 8 | 0.11 | 0 | 0.00 | +https://www.mojeek.com/bot.html |
| 27 | 8 | 0.11 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 28 | 8 | 0.11 | 4 | 0.17 | +http://www.exabot.com/go/robot |
| 29 | 7 | 0.10 | 1 | 0.04 | Windows 98 |
| 30 | 6 | 0.08 | 2 | 0.08 | support.orangebot@orange.com |
| 31 | 6 | 0.08 | 0 | 0.00 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 32 | 6 | 0.08 | 0 | 0.00 | Win32 |
| 33 | 6 | 0.08 | 0 | 0.00 | Android |
| 34 | 6 | 0.08 | 3 | 0.13 | +http://www.scoutjet.com/ |
| 35 | 6 | 0.08 | 1 | 0.04 | +http://megaindex.com/crawler |
| 36 | 5 | 0.07 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 37 | 5 | 0.07 | 1 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 38 | 5 | 0.07 | 1 | 0.04 | +https://www.lipperhey.com/en/about/ |
| 39 | 3 | 0.04 | 0 | 0.00 | Windows 2000 |
| 40 | 3 | 0.04 | 0 | 0.00 | Windows XP |
| 41 | 2 | 0.03 | 0 | 0.00 | http://drive.google.com |
| 42 | 1 | 0.01 | 1 | 0.04 | +http://glutenfreepleasure.com/ |
| 43 | 1 | 0.01 | 1 | 0.04 | +http://privatewww.essex.ac.uk/~jcread/W... |
| 44 | 1 | 0.01 | 1 | 0.04 | X11 |
| 45 | 1 | 0.01 | 0 | 0.00 | Linux 2.6.x |