| Used Operating Systems |
| 1 | 2306 | 55.73 | 2099 | 71.76 | +http://www.baidu.com/search/spider.html |
| 2 | 717 | 17.33 | 292 | 9.98 | Windows NT |
| 3 | 329 | 7.95 | 173 | 5.91 | +http://www.bing.com/bingbot.htm |
| 4 | 263 | 6.36 | 77 | 2.63 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 256 | 6.19 | 149 | 5.09 | +http://www.google.com/bot.html |
| 6 | 121 | 2.92 | 70 | 2.39 | +http://yandex.com/bots |
| 7 | 42 | 1.01 | 6 | 0.21 | +http://fulltext.sblog.cz/ |
| 8 | 29 | 0.70 | 18 | 0.62 | +http://ahrefs.com/robot/ |
| 9 | 13 | 0.31 | 7 | 0.24 | +http://www.semrush.com/bot.html |
| 10 | 8 | 0.19 | 4 | 0.14 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 8 | 0.19 | 4 | 0.14 | http://www.botje.com/plukkie.htm |
| 12 | 8 | 0.19 | 4 | 0.14 | +http://www.meanpath.com/meanpathbot.htm... |
| 13 | 8 | 0.19 | 4 | 0.14 | +http://www.exabot.com/go/robot |
| 14 | 4 | 0.10 | 2 | 0.07 | i686 Linux; 20020816 |
| 15 | 4 | 0.10 | 1 | 0.03 | +http://www.profound.net/domainappender |
| 16 | 3 | 0.07 | 2 | 0.07 | apps-spreadsheets; +http://docs.google.c... |
| 17 | 3 | 0.07 | 2 | 0.07 | +info@netcraft.com |
| 18 | 3 | 0.07 | 1 | 0.03 | +http://webmeup-crawler.com/ |
| 19 | 2 | 0.05 | 2 | 0.07 | Windows ME |
| 20 | 2 | 0.05 | 2 | 0.07 | +http://www.xovibot.net/ |
| 21 | 2 | 0.05 | 2 | 0.07 | Windows 98 |
| 22 | 2 | 0.05 | 1 | 0.03 | +http://duckduckgo.com |
| 23 | 1 | 0.02 | 1 | 0.03 | http://nmap.org/book/nse.html |
| 24 | 1 | 0.02 | 1 | 0.03 | Windows 95 |
| 25 | 1 | 0.02 | 1 | 0.03 | Linux i686 [unknown version] |
| 26 | 1 | 0.02 | 0 | 0.00 | X11 |
| 27 | 1 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
