| Used Operating Systems |
| 1 | 14791 | 44.27 | 11131 | 64.48 | +http://www.baidu.com/search/spider.html |
| 2 | 4676 | 14.00 | 1638 | 9.49 | Windows NT |
| 3 | 2467 | 7.38 | 798 | 4.62 | +http://www.bing.com/bingbot.htm |
| 4 | 2074 | 6.21 | 968 | 5.61 | +http://www.easou.com/search/spider.html |
| 5 | 1386 | 4.15 | 817 | 4.73 | +http://www.google.com/bot.html |
| 6 | 1145 | 3.43 | 304 | 1.76 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 1087 | 3.25 | 398 | 2.31 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 1003 | 3.00 | 112 | 0.65 | +http://yandex.com/bots |
| 9 | 813 | 2.43 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 10 | 711 | 2.13 | 456 | 2.64 | +http://ahrefs.com/robot/ |
| 11 | 594 | 1.78 | 25 | 0.14 | Windows 98 |
| 12 | 456 | 1.36 | 116 | 0.67 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 382 | 1.14 | 109 | 0.63 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 372 | 1.11 | 39 | 0.23 | +http://fulltext.sblog.cz/ |
| 15 | 220 | 0.66 | 20 | 0.12 | +http://www.profound.net/domainappender |
| 16 | 219 | 0.66 | 20 | 0.12 | +http://www.profound.net/urlappendbot.ht... |
| 17 | 160 | 0.48 | 16 | 0.09 | http://www.searchmetrics.com/en/searchme... |
| 18 | 142 | 0.43 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 19 | 100 | 0.30 | 50 | 0.29 | +http://www.meanpath.com/meanpathbot.htm... |
| 20 | 66 | 0.20 | 23 | 0.13 | +http://www.linkdex.com/bots/ |
| 21 | 62 | 0.19 | 28 | 0.16 | +http://www.exabot.com/go/robot |
| 22 | 55 | 0.16 | 53 | 0.31 | +http://www.xovibot.net/ |
| 23 | 40 | 0.12 | 2 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 24 | 39 | 0.12 | 13 | 0.08 | Windows 95 |
| 25 | 36 | 0.11 | 16 | 0.09 | +http://help.coccoc.com/ |
| 26 | 35 | 0.10 | 14 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 27 | 32 | 0.10 | 2 | 0.01 | +http://www.linkpad.ru |
| 28 | 23 | 0.07 | 1 | 0.01 | +http://fulltext.sblog.cz/screenshot/ |
| 29 | 16 | 0.05 | 12 | 0.07 | +http://gimme60.com |
| 30 | 13 | 0.04 | 13 | 0.08 | Linux i686 [unknown version] |
| 31 | 12 | 0.04 | 4 | 0.02 | Windows CE |
| 32 | 12 | 0.04 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 33 | 11 | 0.03 | 3 | 0.02 | +http://uni5download.com |
| 34 | 11 | 0.03 | 3 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 35 | 10 | 0.03 | 8 | 0.05 | +http://www.proximic.com/info/spider.php |
| 36 | 9 | 0.03 | 3 | 0.02 | Windows 2000 |
| 37 | 9 | 0.03 | 3 | 0.02 | Windows ME |
| 38 | 9 | 0.03 | 3 | 0.02 | Windows 3.1 |
| 39 | 9 | 0.03 | 3 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 40 | 8 | 0.02 | 2 | 0.01 | +http://getdownload.ws |
| 41 | 8 | 0.02 | 4 | 0.02 | http://crawler.sistrix.net/ |
| 42 | 8 | 0.02 | 4 | 0.02 | +http://botw.org |
| 43 | 6 | 0.02 | 2 | 0.01 | Auto; Windows |
| 44 | 6 | 0.02 | 2 | 0.01 | +http://onlythegames.com |
| 45 | 6 | 0.02 | 2 | 0.01 | Windows XP |
| 46 | 6 | 0.02 | 4 | 0.02 | +http://wmaid.com/explore/ |
| 47 | 6 | 0.02 | 2 | 0.01 | +http://dl2engine.net |
| 48 | 5 | 0.01 | 5 | 0.03 | +http://pmoz.info/doc/botinfo.htm |
| 49 | 5 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 50 | 5 | 0.01 | 1 | 0.01 | Intel Mac OS X 10.6 |
| 51 | 4 | 0.01 | 0 | 0.00 | +http://images.weserv.nl/ |
| 52 | 4 | 0.01 | 2 | 0.01 | +info@netcraft.com |
| 53 | 4 | 0.01 | 1 | 0.01 | +http://a14download.com |
| 54 | 3 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 55 | 3 | 0.01 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 56 | 3 | 0.01 | 1 | 0.01 | +http://inload.me |
| 57 | 2 | 0.01 | 0 | 0.00 | Win32 |
| 58 | 2 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 59 | 2 | 0.01 | 2 | 0.01 | Intel Mac OS X 10.4 |
| 60 | 2 | 0.01 | 1 | 0.01 | ScoutJet; +http://blekko.com/about/blekk... |
| 61 | 1 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 62 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 63 | 1 | 0.00 | 0 | 0.00 | Windows Phone OS 7.5 |
