| Used Operating Systems |
| 1 | 15507 | 51.98 | 4589 | 54.59 | Windows NT |
| 2 | 7152 | 23.97 | 332 | 3.95 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 2461 | 8.25 | 2207 | 26.25 | +http://www.baidu.com/search/spider.html |
| 4 | 1267 | 4.25 | 490 | 5.83 | +http://www.google.com/bot.html |
| 5 | 812 | 2.72 | 23 | 0.27 | Windows 98 |
| 6 | 664 | 2.23 | 27 | 0.32 | +http://yandex.com/bots |
| 7 | 525 | 1.76 | 146 | 1.74 | help@moz.com |
| 8 | 517 | 1.73 | 226 | 2.69 | +http://www.bing.com/bingbot.htm |
| 9 | 298 | 1.00 | 93 | 1.11 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 129 | 0.43 | 94 | 1.12 | +http://www.linkdex.com/about/bots/ |
| 11 | 94 | 0.32 | 23 | 0.27 | X11 |
| 12 | 69 | 0.23 | 23 | 0.27 | Windows 95 |
| 13 | 56 | 0.19 | 28 | 0.33 | +http://help.coccoc.com/ |
| 14 | 46 | 0.15 | 16 | 0.19 | Android 2.3.5 |
| 15 | 27 | 0.09 | 12 | 0.14 | MSIE 5.5; Windows NT 5.0 |
| 16 | 22 | 0.07 | 8 | 0.10 | ) - BrowseX (2.0.0 Windows |
| 17 | 19 | 0.06 | 9 | 0.11 | +http://www.exabot.com/go/robot |
| 18 | 18 | 0.06 | 2 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 19 | 17 | 0.06 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 20 | 12 | 0.04 | 4 | 0.05 | +http://fulltext.sblog.cz/ |
| 21 | 11 | 0.04 | 11 | 0.13 | +http://www.easou.com/search/spider.html |
| 22 | 10 | 0.03 | 4 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 23 | 10 | 0.03 | 6 | 0.07 | http://crawler.sistrix.net/ |
| 24 | 10 | 0.03 | 2 | 0.02 | +http://siteexplorer.info/ |
| 25 | 9 | 0.03 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 26 | 8 | 0.03 | 4 | 0.05 | Windows 3.1 |
| 27 | 7 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 28 | 7 | 0.02 | 1 | 0.01 | +http://www.linkpad.ru |
| 29 | 6 | 0.02 | 3 | 0.04 | +http://botw.org |
| 30 | 5 | 0.02 | 3 | 0.04 | Windows 2000 |
| 31 | 5 | 0.02 | 5 | 0.06 | +http://pmoz.info/doc/botinfo.htm |
| 32 | 5 | 0.02 | 0 | 0.00 | Linux 2.4.x |
| 33 | 5 | 0.02 | 5 | 0.06 | Windows ME |
| 34 | 4 | 0.01 | 3 | 0.04 | Windows CE |
| 35 | 4 | 0.01 | 0 | 0.00 | Win32 |
| 36 | 4 | 0.01 | 2 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 37 | 3 | 0.01 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 38 | 2 | 0.01 | 1 | 0.01 | +http://www.yunyun.com/spider.html |
| 39 | 2 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 40 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 41 | 2 | 0.01 | 0 | 0.00 | i686 Linux; 20021218 |
| 42 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.5 |
| 43 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
