| Used Operating Systems |
| 1 | 15788 | 82.99 | 4992 | 78.06 | Windows NT |
| 2 | 895 | 4.70 | 873 | 13.65 | +http://www.baidu.com/search/spider.html |
| 3 | 605 | 3.18 | 16 | 0.25 | Windows 98 |
| 4 | 337 | 1.77 | 82 | 1.28 | help@moz.com |
| 5 | 323 | 1.70 | 160 | 2.50 | +http://www.bing.com/bingbot.htm |
| 6 | 299 | 1.57 | 77 | 1.20 | +http://www.google.com/bot.html |
| 7 | 221 | 1.16 | 33 | 0.52 | +http://yandex.com/bots |
| 8 | 90 | 0.47 | 22 | 0.34 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 90 | 0.47 | 19 | 0.30 | X11 |
| 10 | 55 | 0.29 | 21 | 0.33 | +http://www.linkdex.com/about/bots/ |
| 11 | 49 | 0.26 | 15 | 0.23 | Android 2.3.5 |
| 12 | 38 | 0.20 | 19 | 0.30 | +http://help.coccoc.com/ |
| 13 | 32 | 0.17 | 11 | 0.17 | Windows ME |
| 14 | 31 | 0.16 | 4 | 0.06 | Windows 99 |
| 15 | 30 | 0.16 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 16 | 29 | 0.15 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 17 | 22 | 0.12 | 11 | 0.17 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 18 | 15 | 0.08 | 9 | 0.14 | Windows 95 |
| 19 | 12 | 0.06 | 7 | 0.11 | Windows CE |
| 20 | 11 | 0.06 | 5 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 21 | 7 | 0.04 | 3 | 0.05 | +http://fulltext.sblog.cz/ |
| 22 | 6 | 0.03 | 0 | 0.00 | Win32 |
| 23 | 5 | 0.03 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 24 | 5 | 0.03 | 3 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 25 | 4 | 0.02 | 2 | 0.03 | Auto; Windows |
| 26 | 4 | 0.02 | 1 | 0.02 | +http://fb02itsscan.fh-muenster.de |
| 27 | 4 | 0.02 | 2 | 0.03 | http://crawler.sistrix.net/ |
| 28 | 4 | 0.02 | 0 | 0.00 | Linux 2.4.x |
| 29 | 3 | 0.02 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 30 | 2 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 31 | 2 | 0.01 | 1 | 0.02 | http://help.yahoo.com/help/us/ysearch/sl... |
| 32 | 2 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 33 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 34 | 2 | 0.01 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 35 | 1 | 0.01 | 1 | 0.02 | Windows 3.1 |
