| Used Operating Systems |
| 1 | 18249 | 36.35 | 4473 | 46.33 | Windows NT |
| 2 | 6764 | 13.47 | 7 | 0.07 | +http://webmeup-crawler.com/ |
| 3 | 4714 | 9.39 | 156 | 1.62 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 3805 | 7.58 | 5 | 0.05 | http://crawler.sistrix.net/ |
| 5 | 3649 | 7.27 | 1375 | 14.24 | +http://www.google.com/bot.html |
| 6 | 3005 | 5.98 | 1108 | 11.48 | +http://www.bing.com/bingbot.htm |
| 7 | 2998 | 5.97 | 1 | 0.01 | +http://www.seokicks.de/robot.html |
| 8 | 1482 | 2.95 | 2 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 9 | 1415 | 2.82 | 1291 | 13.37 | +http://www.baidu.com/search/spider.html |
| 10 | 905 | 1.80 | 471 | 4.88 | +http://www.linkdex.com/about/bots/ |
| 11 | 608 | 1.21 | 19 | 0.20 | Windows 98 |
| 12 | 513 | 1.02 | 135 | 1.40 | +http://www.exabot.com/go/robot |
| 13 | 426 | 0.85 | 175 | 1.81 | help@moz.com |
| 14 | 385 | 0.77 | 92 | 0.95 | +http://yandex.com/bots |
| 15 | 352 | 0.70 | 5 | 0.05 | +http://www.easou.com/search/spider.html |
| 16 | 206 | 0.41 | 114 | 1.18 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 143 | 0.28 | 71 | 0.74 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 108 | 0.22 | 17 | 0.18 | X11 |
| 19 | 80 | 0.16 | 3 | 0.03 | +http://www.yunyun.com/spider.html |
| 20 | 70 | 0.14 | 1 | 0.01 | http://www.searchmetrics.com/en/searchme... |
| 21 | 62 | 0.12 | 1 | 0.01 | +http://www.linkpad.ru |
| 22 | 49 | 0.10 | 28 | 0.29 | +http://www.proximic.com/info/spider.php |
| 23 | 46 | 0.09 | 11 | 0.11 | Android 2.3.5 |
| 24 | 36 | 0.07 | 15 | 0.16 | Windows 95 |
| 25 | 27 | 0.05 | 26 | 0.27 | MSIE 5.5; Windows 95 |
| 26 | 23 | 0.05 | 15 | 0.16 | +http://www.netseer.com/crawler.html; cr... |
| 27 | 14 | 0.03 | 7 | 0.07 | +http://www.grapeshot.co.uk/crawler.php |
| 28 | 8 | 0.02 | 4 | 0.04 | +http://help.coccoc.com/ |
| 29 | 8 | 0.02 | 4 | 0.04 | Windows ME |
| 30 | 8 | 0.02 | 3 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 31 | 7 | 0.01 | 3 | 0.03 | Windows 3.1 |
| 32 | 6 | 0.01 | 2 | 0.02 | Windows 2000 |
| 33 | 6 | 0.01 | 2 | 0.02 | +http://fulltext.sblog.cz/ |
| 34 | 5 | 0.01 | 2 | 0.02 | Windows XP |
| 35 | 4 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 36 | 3 | 0.01 | 1 | 0.01 | +http://fb02itsscan.fh-muenster.de |
| 37 | 3 | 0.01 | 1 | 0.01 | Wayback Machine Live Record; +http://arc... |
| 38 | 2 | 0.00 | 0 | 0.00 | Win32 |
| 39 | 2 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 40 | 2 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 41 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 42 | 2 | 0.00 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 43 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 44 | 1 | 0.00 | 1 | 0.01 | Windows CE |
| 45 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X |
| 46 | 1 | 0.00 | 1 | 0.01 | +http://www.marketwire.com |
| 47 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.6 |
| 48 | 1 | 0.00 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
