| Used Operating Systems |
| 1 | 5259 | 46.75 | 1294 | 32.30 | Windows NT |
| 2 | 2102 | 18.69 | 1903 | 47.50 | +http://www.baidu.com/search/spider.html |
| 3 | 1540 | 13.69 | 99 | 2.47 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 625 | 5.56 | 259 | 6.47 | +http://www.bing.com/bingbot.htm |
| 5 | 401 | 3.56 | 55 | 1.37 | +http://yandex.com/bots |
| 6 | 387 | 3.44 | 84 | 2.10 | +http://www.google.com/bot.html |
| 7 | 147 | 1.31 | 60 | 1.50 | ezooms.bot@gmail.com |
| 8 | 144 | 1.28 | 40 | 1.00 | +http://www.linkdex.com/about/bots/ |
| 9 | 130 | 1.16 | 3 | 0.07 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 59 | 0.52 | 19 | 0.47 | +http://www.exabot.com/go/robot |
| 11 | 48 | 0.43 | 24 | 0.60 | +http://help.coccoc.com/ |
| 12 | 40 | 0.36 | 2 | 0.05 | +http://fulltext.sblog.cz/screenshot/ |
| 13 | 38 | 0.34 | 20 | 0.50 | Windows 98 |
| 14 | 37 | 0.33 | 6 | 0.15 | +http://siteexplorer.info/ |
| 15 | 34 | 0.30 | 29 | 0.72 | Windows 95 |
| 16 | 32 | 0.28 | 16 | 0.40 | +http://www.easou.com/search/spider.html |
| 17 | 26 | 0.23 | 2 | 0.05 | +http://www.seoprofiler.com/bot |
| 18 | 25 | 0.22 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 19 | 24 | 0.21 | 1 | 0.02 | X11 |
| 20 | 17 | 0.15 | 1 | 0.02 | http://help.yahoo.com/help/us/ysearch/sl... |
| 21 | 12 | 0.11 | 12 | 0.30 | MSIE 5.5; Windows NT 4.0 |
| 22 | 10 | 0.09 | 8 | 0.20 | Windows 3.1 |
| 23 | 10 | 0.09 | 4 | 0.10 | +http://www.semrush.com/bot.html |
| 24 | 9 | 0.08 | 1 | 0.02 | +http://www.compspy.com/spider.html |
| 25 | 9 | 0.08 | 9 | 0.22 | Windows ME |
| 26 | 9 | 0.08 | 9 | 0.22 | ) - BrowseX (2.0.0 Windows |
| 27 | 8 | 0.07 | 4 | 0.10 | http://www.botje.com/plukkie.htm |
| 28 | 8 | 0.07 | 4 | 0.10 | +http://fulltext.sblog.cz/ |
| 29 | 7 | 0.06 | 7 | 0.17 | Auto; Windows |
| 30 | 6 | 0.05 | 3 | 0.07 | http://crawler.sistrix.net/ |
| 31 | 5 | 0.04 | 5 | 0.12 | Windows 2000 |
| 32 | 5 | 0.04 | 2 | 0.05 | +http://help.soso.com/webspider.htm |
| 33 | 4 | 0.04 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 34 | 4 | 0.04 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 35 | 3 | 0.03 | 1 | 0.02 | Windows XP |
| 36 | 3 | 0.03 | 2 | 0.05 | +info@netcraft.com |
| 37 | 3 | 0.03 | 3 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 38 | 3 | 0.03 | 1 | 0.02 | +http://prlog.ru/ |
| 39 | 3 | 0.03 | 3 | 0.07 | WinHttp.WinHttpRequest.5 |
| 40 | 2 | 0.02 | 2 | 0.05 | Windows CE |
| 41 | 2 | 0.02 | 2 | 0.05 | +http://pmoz.info/doc/botinfo.htm |
| 42 | 2 | 0.02 | 2 | 0.05 | Linux [unknown version] |
| 43 | 2 | 0.02 | 0 | 0.00 | Linux 2.4.x |
| 44 | 2 | 0.02 | 1 | 0.02 | ScoutJet; +http://blekko.com/about/blekk... |
| 45 | 1 | 0.01 | 0 | 0.00 | Win32 |
| 46 | 1 | 0.01 | 1 | 0.02 | +http://struct.it/contacts/ |
| 47 | 1 | 0.01 | 1 | 0.02 | MSIE 5.5; Windows 95 |
