| Used Operating Systems by Visits |
| 1 | 4256 | 43.50 | 2442 | 44.05 | Windows NT |
| 2 | 2059 | 21.05 | 1989 | 35.88 | +http://www.baidu.com/search/spider.html |
| 3 | 824 | 8.42 | 391 | 7.05 | +http://www.bing.com/bingbot.htm |
| 4 | 791 | 8.09 | 340 | 6.13 | +http://www.google.com/bot.html |
| 5 | 281 | 2.87 | 92 | 1.66 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 6 | 258 | 2.64 | 86 | 1.55 | +http://www.linkdex.com/bots/ |
| 7 | 814 | 8.32 | 58 | 1.05 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 245 | 2.50 | 28 | 0.51 | +http://yandex.com/bots |
| 9 | 19 | 0.19 | 18 | 0.32 | X11 |
| 10 | 33 | 0.34 | 13 | 0.23 | +http://www.easou.com/search/spider.html |
| 11 | 10 | 0.10 | 10 | 0.18 | Windows 95 |
| 12 | 24 | 0.25 | 9 | 0.16 | +http://ahrefs.com/robot/ |
| 13 | 10 | 0.10 | 9 | 0.16 | +http://wmaid.com/explore/ |
| 14 | 18 | 0.18 | 7 | 0.13 | http://www.opensiteexplorer.org/dotbot, ... |
| 15 | 8 | 0.08 | 7 | 0.13 | Android 2.3.5 |
| 16 | 5 | 0.05 | 5 | 0.09 | Windows 2000 |
| 17 | 9 | 0.09 | 5 | 0.09 | +http://www.exabot.com/go/robot |
| 18 | 4 | 0.04 | 4 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 19 | 4 | 0.04 | 4 | 0.07 | Windows 3.1 |
| 20 | 4 | 0.04 | 2 | 0.04 | http://help.yahoo.com/help/us/ysearch/sl... |
| 21 | 4 | 0.04 | 2 | 0.04 | http://crawler.sistrix.net/ |
| 22 | 2 | 0.02 | 2 | 0.04 | Intel Mac OS X 10.4 |
| 23 | 28 | 0.29 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 24 | 2 | 0.02 | 2 | 0.04 | Windows ME |
| 25 | 3 | 0.03 | 2 | 0.04 | +info@netcraft.com |
| 26 | 7 | 0.07 | 2 | 0.04 | Windows 98 |
| 27 | 2 | 0.02 | 2 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 28 | 1 | 0.01 | 1 | 0.02 | +http://www.dredger.biz/ |
| 29 | 3 | 0.03 | 1 | 0.02 | +http://getdownload.ws |
| 30 | 1 | 0.01 | 1 | 0.02 | +http://fb02itsscan.fh-muenster.de |
| 31 | 4 | 0.04 | 1 | 0.02 | +http://uni5download.com |
| 32 | 2 | 0.02 | 1 | 0.02 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 33 | 3 | 0.03 | 1 | 0.02 | Windows XP |
| 34 | 5 | 0.05 | 1 | 0.02 | +http://tryload.in |
| 35 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
| 36 | 2 | 0.02 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 37 | 15 | 0.15 | 1 | 0.02 | http://crawler.007ac9.net/ |
| 38 | 13 | 0.13 | 1 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 39 | 1 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 40 | 1 | 0.01 | 0 | 0.00 | Win32 |
| 41 | 5 | 0.05 | 0 | 0.00 | Linux [unknown version] |
| 42 | 2 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
