| Used Operating Systems |
| 1 | 17711 | 82.19 | 153 | 5.32 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 1935 | 8.98 | 1794 | 62.36 | +http://www.baidu.com/search/spider.html |
| 3 | 566 | 2.63 | 368 | 12.79 | Windows NT |
| 4 | 382 | 1.77 | 107 | 3.72 | +http://www.google.com/bot.html |
| 5 | 376 | 1.74 | 183 | 6.36 | +http://www.bing.com/bingbot.htm |
| 6 | 189 | 0.88 | 61 | 2.12 | +http://www.linkdex.com/bots/ |
| 7 | 185 | 0.86 | 114 | 3.96 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 8 | 45 | 0.21 | 13 | 0.45 | +http://yandex.com/bots |
| 9 | 33 | 0.15 | 13 | 0.45 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 30 | 0.14 | 15 | 0.52 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 16 | 0.07 | 16 | 0.56 | +http://warifort.moykrest.ru |
| 12 | 14 | 0.06 | 7 | 0.24 | +http://www.exabot.com/go/robot |
| 13 | 12 | 0.06 | 6 | 0.21 | +http://www.meanpath.com/meanpathbot.htm... |
| 14 | 11 | 0.05 | 4 | 0.14 | +http://ahrefs.com/robot/ |
| 15 | 10 | 0.05 | 3 | 0.10 | +http://fulltext.sblog.cz/ |
| 16 | 7 | 0.03 | 7 | 0.24 | +http://monasterytea.spbdyet.ru |
| 17 | 7 | 0.03 | 1 | 0.03 | http://filterdb.iss.net/crawler/ |
| 18 | 6 | 0.03 | 2 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 19 | 5 | 0.02 | 5 | 0.17 | +http://domainsigma.com/robot |
| 20 | 2 | 0.01 | 2 | 0.07 | http://nmap.org/book/nse.html |
| 21 | 2 | 0.01 | 1 | 0.03 | +info@netcraft.com |
| 22 | 2 | 0.01 | 0 | 0.00 | +http://www.xovibot.net/ |
| 23 | 2 | 0.01 | 1 | 0.03 | +http://duckduckgo.com |
| 24 | 1 | 0.00 | 1 | 0.03 | Linux i686 [unknown version] |
