| Used Operating Systems |
| 1 | 12909 | 36.34 | 2431 | 28.42 | Windows NT |
| 2 | 9226 | 25.97 | 725 | 8.48 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 3089 | 8.70 | 2835 | 33.14 | +http://www.baidu.com/search/spider.html |
| 4 | 1993 | 5.61 | 341 | 3.99 | ezooms.bot@gmail.com |
| 5 | 1775 | 5.00 | 603 | 7.05 | +http://www.bing.com/bingbot.htm |
| 6 | 1672 | 4.71 | 22 | 0.26 | http://crawler.sistrix.net/ |
| 7 | 1389 | 3.91 | 576 | 6.73 | +http://www.google.com/bot.html |
| 8 | 768 | 2.16 | 159 | 1.86 | +http://ahrefs.com/robot/ |
| 9 | 675 | 1.90 | 106 | 1.24 | +http://yandex.com/bots |
| 10 | 578 | 1.63 | 2 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 11 | 306 | 0.86 | 304 | 3.55 | http://www.yodao.com/help/webmaster/spid... |
| 12 | 224 | 0.63 | 189 | 2.21 | +http://shoulu.jike.com/spider.html |
| 13 | 130 | 0.37 | 63 | 0.74 | +http://www.exabot.com/go/robot |
| 14 | 78 | 0.22 | 9 | 0.11 | Linux i686 [unknown version] |
| 15 | 76 | 0.21 | 31 | 0.36 | +http://www.career-x.de/bot.html |
| 16 | 72 | 0.20 | 38 | 0.44 | +http://www.acoon.de/robot.asp |
| 17 | 71 | 0.20 | 2 | 0.02 | J2ME/MIDP |
| 18 | 54 | 0.15 | 2 | 0.02 | Android |
| 19 | 54 | 0.15 | 20 | 0.23 | Windows 98 |
| 20 | 46 | 0.13 | 2 | 0.02 | Intel Mac OS X 10.4 |
| 21 | 40 | 0.11 | 2 | 0.02 | Linux [unknown version] |
| 22 | 38 | 0.11 | 4 | 0.05 | +http://siteexplorer.info/ |
| 23 | 29 | 0.08 | 6 | 0.07 | +http://go.mail.ru/help/robots |
| 24 | 28 | 0.08 | 6 | 0.07 | MirrorDetector; +http://yandex.com/bots |
| 25 | 24 | 0.07 | 12 | 0.14 | Windows 2000 |
| 26 | 21 | 0.06 | 1 | 0.01 | Windows Phone OS 7.0 |
| 27 | 20 | 0.06 | 9 | 0.11 | Windows 95 |
| 28 | 20 | 0.06 | 1 | 0.01 | +http://fulltext.sblog.cz/screenshot/ |
| 29 | 18 | 0.05 | 0 | 0.00 | Windows 9. |
| 30 | 14 | 0.04 | 7 | 0.08 | ScoutJet; +http://blekko.com/about/blekk... |
| 31 | 12 | 0.03 | 3 | 0.04 | +http://filterdb.iss.net/crawler/ |
| 32 | 10 | 0.03 | 5 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 33 | 9 | 0.03 | 7 | 0.08 | +http://www.easou.com/search/spider.html |
| 34 | 8 | 0.02 | 4 | 0.05 | +http://botw.org |
| 35 | 6 | 0.02 | 6 | 0.07 | +http://pmoz.info/doc/botinfo.htm |
| 36 | 6 | 0.02 | 2 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 37 | 6 | 0.02 | 6 | 0.07 | WinHttp.WinHttpRequest.5 |
| 38 | 6 | 0.02 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 39 | 4 | 0.01 | 2 | 0.02 | Windows 3.1 |
| 40 | 3 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 41 | 2 | 0.01 | 0 | 0.00 | Windows |
| 42 | 2 | 0.01 | 2 | 0.02 | +http://www.netseer.com/crawler.html; cr... |
| 43 | 2 | 0.01 | 1 | 0.01 | Windows Phone OS 7.5 |
| 44 | 2 | 0.01 | 1 | 0.01 | Windows ME |
| 45 | 2 | 0.01 | 2 | 0.02 | PPC Mac OS X Mach-O |
| 46 | 1 | 0.00 | 1 | 0.01 | Windows XP |
| 47 | 1 | 0.00 | 1 | 0.01 | +http://www.semrush.com/bot.html |
