| Used Operating Systems |
| 1 | 15055 | 44.91 | 4724 | 54.49 | Windows NT |
| 2 | 8972 | 26.76 | 306 | 3.53 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 2765 | 8.25 | 437 | 5.04 | +http://ahrefs.com/robot/ |
| 4 | 1269 | 3.79 | 992 | 11.44 | +http://www.baidu.com/search/spider.html |
| 5 | 952 | 2.84 | 483 | 5.57 | +http://www.google.com/bot.html |
| 6 | 770 | 2.30 | 123 | 1.42 | +http://yandex.com/bots |
| 7 | 755 | 2.25 | 266 | 3.07 | +http://www.bing.com/bingbot.htm |
| 8 | 549 | 1.64 | 308 | 3.55 | Windows 95 |
| 9 | 419 | 1.25 | 248 | 2.86 | +http://www.linkdex.com/bots/ |
| 10 | 396 | 1.18 | 47 | 0.54 | Windows 98 |
| 11 | 261 | 0.78 | 63 | 0.73 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 111 | 0.33 | 72 | 0.83 | Windows 2000 |
| 13 | 106 | 0.32 | 60 | 0.69 | Windows ME |
| 14 | 92 | 0.27 | 62 | 0.72 | MSIE 5.5; Windows NT 4.0 |
| 15 | 91 | 0.27 | 66 | 0.76 | ) - BrowseX (2.0.0 Windows |
| 16 | 87 | 0.26 | 2 | 0.02 | Windows XP |
| 17 | 85 | 0.25 | 63 | 0.73 | MSIE 5.5; Windows NT 5.0 |
| 18 | 83 | 0.25 | 57 | 0.66 | Windows 3.1 |
| 19 | 81 | 0.24 | 59 | 0.68 | Windows CE |
| 20 | 81 | 0.24 | 9 | 0.10 | +https://www.megaindex.ru/?tab=linkAnaly... |
| 21 | 79 | 0.24 | 58 | 0.67 | Auto; Windows |
| 22 | 62 | 0.18 | 10 | 0.12 | +http://fulltext.sblog.cz/ |
| 23 | 34 | 0.10 | 33 | 0.38 | Linux i686 [unknown version] |
| 24 | 30 | 0.09 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 25 | 28 | 0.08 | 9 | 0.10 | +http://www.exabot.com/go/robot |
| 26 | 25 | 0.07 | 5 | 0.06 | +http://www.profound.net/domainappender |
| 27 | 24 | 0.07 | 1 | 0.01 | +http://www.pagespeed.de |
| 28 | 24 | 0.07 | 5 | 0.06 | +http://www.findxbot.com |
| 29 | 22 | 0.07 | 2 | 0.02 | +https://www.aihitdata.com/about |
| 30 | 22 | 0.07 | 2 | 0.02 | +http://www.seokicks.de/robot.html |
| 31 | 22 | 0.07 | 2 | 0.02 | http://crawler.007ac9.net/ |
| 32 | 22 | 0.07 | 7 | 0.08 | X11 |
| 33 | 21 | 0.06 | 18 | 0.21 | Linux [unknown version] |
| 34 | 18 | 0.05 | 9 | 0.10 | http://help.yahoo.com/help/us/ysearch/sl... |
| 35 | 16 | 0.05 | 3 | 0.03 | Android |
| 36 | 16 | 0.05 | 8 | 0.09 | +http://www.meanpath.com/meanpathbot.htm... |
| 37 | 16 | 0.05 | 6 | 0.07 | +http://duckduckgo.com |
| 38 | 10 | 0.03 | 5 | 0.06 | +http://botw.org |
| 39 | 8 | 0.02 | 8 | 0.09 | +http://pmoz.info/doc/botinfo.htm |
| 40 | 8 | 0.02 | 8 | 0.09 | +http://www.xovibot.net/ |
| 41 | 7 | 0.02 | 7 | 0.08 | Linux i586 [unknown version] |
| 42 | 5 | 0.01 | 5 | 0.06 | +http://www.seograph.net/bot.html |
| 43 | 5 | 0.01 | 1 | 0.01 | Android 2.3.5 |
| 44 | 4 | 0.01 | 2 | 0.02 | +http://help.coccoc.com/ |
| 45 | 4 | 0.01 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 46 | 3 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 47 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 48 | 2 | 0.01 | 1 | 0.01 | +http://www.proximic.com/info/spider.php |
| 49 | 1 | 0.00 | 1 | 0.01 | Win16 |
| 50 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 51 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 52 | 1 | 0.00 | 1 | 0.01 | WinHttp.WinHttpRequest.5 |
