| Used Operating Systems |
| 1 | 2522 | 44.89 | 2255 | 54.93 | +http://www.baidu.com/search/spider.html |
| 2 | 1815 | 32.31 | 1376 | 33.52 | Windows NT |
| 3 | 529 | 9.42 | 246 | 5.99 | +http://www.bing.com/bingbot.htm |
| 4 | 259 | 4.61 | 51 | 1.24 | +http://yandex.com/bots |
| 5 | 92 | 1.64 | 30 | 0.73 | +http://www.google.com/bot.html |
| 6 | 92 | 1.64 | 30 | 0.73 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 52 | 0.93 | 23 | 0.56 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 42 | 0.75 | 21 | 0.51 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 35 | 0.62 | 16 | 0.39 | +http://www.exabot.com/go/robot |
| 10 | 32 | 0.57 | 4 | 0.10 | http://crawler.sistrix.net/ |
| 11 | 32 | 0.57 | 4 | 0.10 | +http://OpenLinkProfiler.org/bot |
| 12 | 25 | 0.44 | 15 | 0.37 | +http://ahrefs.com/robot/ |
| 13 | 22 | 0.39 | 8 | 0.19 | +http://fulltext.sblog.cz/ |
| 14 | 10 | 0.18 | 0 | 0.00 | Linux [unknown version] |
| 15 | 6 | 0.11 | 2 | 0.05 | +http://getdownload.ws |
| 16 | 6 | 0.11 | 4 | 0.10 | +http://wmaid.com/explore/ |
| 17 | 6 | 0.11 | 2 | 0.05 | +http://overx50.com/ |
| 18 | 4 | 0.07 | 0 | 0.00 | Macintosh PPC |
| 19 | 4 | 0.07 | 2 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 20 | 4 | 0.07 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 21 | 4 | 0.07 | 2 | 0.05 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 22 | 4 | 0.07 | 2 | 0.05 | +info@netcraft.com |
| 23 | 4 | 0.07 | 2 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 3 | 0.05 | 1 | 0.02 | +http://downloaflare.biz |
| 25 | 3 | 0.05 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 26 | 2 | 0.04 | 0 | 0.00 | Win32 |
| 27 | 2 | 0.04 | 2 | 0.05 | +http://fb02itsscan.fh-muenster.de |
| 28 | 2 | 0.04 | 2 | 0.05 | Intel Mac OS X 10.4 |
| 29 | 2 | 0.04 | 2 | 0.05 | Windows 98 |
| 30 | 2 | 0.04 | 2 | 0.05 | WinHttp.WinHttpRequest.5 |
| 31 | 1 | 0.02 | 1 | 0.02 | FreeBSD [unknown version] |
