| Used Operating Systems |
| 1 | 2633 | 67.88 | 2263 | 81.43 | +http://www.baidu.com/search/spider.html |
| 2 | 293 | 7.55 | 108 | 3.89 | Windows NT |
| 3 | 256 | 6.60 | 137 | 4.93 | +http://www.google.com/bot.html |
| 4 | 252 | 6.50 | 135 | 4.86 | +http://www.bing.com/bingbot.htm |
| 5 | 97 | 2.50 | 26 | 0.94 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 62 | 1.60 | 1 | 0.04 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 7 | 58 | 1.50 | 25 | 0.90 | +http://ahrefs.com/robot/ |
| 8 | 45 | 1.16 | 17 | 0.61 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 37 | 0.95 | 6 | 0.22 | +http://fulltext.sblog.cz/ |
| 10 | 26 | 0.67 | 13 | 0.47 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 26 | 0.67 | 2 | 0.07 | +https://www.lipperhey.com/en/about/ |
| 12 | 22 | 0.57 | 11 | 0.40 | +http://www.meanpath.com/meanpathbot.htm... |
| 13 | 19 | 0.49 | 9 | 0.32 | +http://yandex.com/bots |
| 14 | 13 | 0.34 | 6 | 0.22 | +http://www.exabot.com/go/robot |
| 15 | 12 | 0.31 | 1 | 0.04 | http://www.searchmetrics.com/en/searchme... |
| 16 | 12 | 0.31 | 12 | 0.43 | +http://warifort.moykrest.ru/ |
| 17 | 8 | 0.21 | 2 | 0.07 | +http://www.profound.net/domainappender |
| 18 | 3 | 0.08 | 2 | 0.07 | +info@netcraft.com |
| 19 | 2 | 0.05 | 0 | 0.00 | +http://www.xovibot.net/ |
| 20 | 1 | 0.03 | 1 | 0.04 | Linux i686 [unknown version] |
| 21 | 1 | 0.03 | 1 | 0.04 | http://nmap.org/book/nse.html |
| 22 | 1 | 0.03 | 1 | 0.04 | X11 |
