| Used Operating Systems |
| 1 | 6862 | 50.54 | 2793 | 36.22 | Windows NT |
| 2 | 4298 | 31.65 | 3923 | 50.87 | +http://www.baidu.com/search/spider.html |
| 3 | 856 | 6.30 | 494 | 6.41 | +http://www.google.com/bot.html |
| 4 | 295 | 2.17 | 53 | 0.69 | +http://yandex.com/bots |
| 5 | 274 | 2.02 | 10 | 0.13 | +http://fulltext.sblog.cz/ |
| 6 | 112 | 0.82 | 49 | 0.64 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 95 | 0.70 | 39 | 0.51 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 60 | 0.44 | 6 | 0.08 | +null; null |
| 9 | 58 | 0.43 | 30 | 0.39 | +http://www.semrush.com/bot.html |
| 10 | 46 | 0.34 | 44 | 0.57 | +http://www.easou.com/search/spider.html |
| 11 | 46 | 0.34 | 23 | 0.30 | +http://www.meanpath.com/meanpathbot.htm... |
| 12 | 44 | 0.32 | 27 | 0.35 | +http://ahrefs.com/robot/ |
| 13 | 42 | 0.31 | 21 | 0.27 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 41 | 0.30 | 21 | 0.27 | +http://www.exabot.com/go/robot |
| 15 | 40 | 0.29 | 17 | 0.22 | +http://help.coccoc.com/ |
| 16 | 39 | 0.29 | 28 | 0.36 | Windows 95 |
| 17 | 38 | 0.28 | 20 | 0.26 | +http://www.linkdex.com/bots/ |
| 18 | 27 | 0.20 | 3 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 19 | 22 | 0.16 | 5 | 0.06 | X11 |
| 20 | 20 | 0.15 | 2 | 0.03 | http://crawler.007ac9.net/ |
| 21 | 19 | 0.14 | 3 | 0.04 | Android 2.3.5 |
| 22 | 19 | 0.14 | 16 | 0.21 | +http://www.bing.com/bingbot.htm |
| 23 | 17 | 0.13 | 7 | 0.09 | Windows XP |
| 24 | 17 | 0.13 | 5 | 0.06 | Windows 98 |
| 25 | 16 | 0.12 | 6 | 0.08 | http://help.yahoo.com/help/us/ysearch/sl... |
| 26 | 14 | 0.10 | 7 | 0.09 | MSIE 5.5; Windows NT 5.0 |
| 27 | 12 | 0.09 | 4 | 0.05 | Windows CE |
| 28 | 12 | 0.09 | 4 | 0.05 | Windows ME |
| 29 | 12 | 0.09 | 6 | 0.08 | Windows 3.1 |
| 30 | 12 | 0.09 | 4 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 31 | 10 | 0.07 | 1 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 32 | 8 | 0.06 | 1 | 0.01 | crawler@mixrank.com |
| 33 | 8 | 0.06 | 2 | 0.03 | +http://uni5download.com |
| 34 | 7 | 0.05 | 4 | 0.05 | Windows 2000 |
| 35 | 7 | 0.05 | 3 | 0.04 | Auto; Windows |
| 36 | 6 | 0.04 | 1 | 0.01 | +http://www.proximic.com/info/spider.php |
| 37 | 6 | 0.04 | 5 | 0.06 | +http://www.xovibot.net/ |
| 38 | 6 | 0.04 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 39 | 5 | 0.04 | 1 | 0.01 | +http://siteexplorer.info/ |
| 40 | 4 | 0.03 | 1 | 0.01 | +http://mono.name |
| 41 | 4 | 0.03 | 1 | 0.01 | +http://getdownload.ws |
| 42 | 4 | 0.03 | 2 | 0.03 | http://crawler.sistrix.net/ |
| 43 | 4 | 0.03 | 0 | 0.00 | Windows 9. |
| 44 | 4 | 0.03 | 1 | 0.01 | +http://galaxydownloads.co |
| 45 | 4 | 0.03 | 2 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 46 | 3 | 0.02 | 3 | 0.04 | Linux [unknown version] |
| 47 | 3 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 48 | 3 | 0.02 | 3 | 0.04 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 49 | 3 | 0.02 | 1 | 0.01 | +http://opendownload.pw |
| 50 | 2 | 0.01 | 2 | 0.03 | +http://fb02itsscan.fh-muenster.de |
| 51 | 2 | 0.01 | 2 | 0.03 | Linux i686 [unknown version] |
| 52 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 53 | 2 | 0.01 | 2 | 0.03 | +http://gimme60.com |
| 54 | 2 | 0.01 | 1 | 0.01 | ScoutJet; +http://blekko.com/about/blekk... |
| 55 | 1 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 56 | 1 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 57 | 1 | 0.01 | 1 | 0.01 | +http://domainsigma.com/robot |
| 58 | 1 | 0.01 | 1 | 0.01 | +http://www.loadtime.net/bot.html |
