| Used Operating Systems |
| 1 | 19125 | 32.50 | 111 | 1.33 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 13824 | 23.49 | 200 | 2.40 | +http://ahrefs.com/robot/ |
| 3 | 8002 | 13.60 | 2556 | 30.68 | Windows NT |
| 4 | 6560 | 11.15 | 2 | 0.02 | +http://megaindex.com/crawler |
| 5 | 5529 | 9.39 | 4174 | 50.10 | +http://www.baidu.com/search/spider.html |
| 6 | 2445 | 4.15 | 316 | 3.79 | +http://www.bing.com/bingbot.htm |
| 7 | 981 | 1.67 | 474 | 5.69 | +http://www.google.com/bot.html |
| 8 | 744 | 1.26 | 202 | 2.42 | +http://www.linkdex.com/bots/ |
| 9 | 611 | 1.04 | 105 | 1.26 | +http://yandex.com/bots |
| 10 | 500 | 0.85 | 2 | 0.02 | Linux i586 [unknown version] |
| 11 | 176 | 0.30 | 4 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 12 | 126 | 0.21 | 111 | 1.33 | +http://www.xovibot.net/ |
| 13 | 92 | 0.16 | 35 | 0.42 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 27 | 0.05 | 1 | 0.01 | +http://sur.ly/bot.html |
| 15 | 21 | 0.04 | 8 | 0.10 | +http://www.exabot.com/go/robot |
| 16 | 20 | 0.03 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 17 | 18 | 0.03 | 9 | 0.11 | Windows 98 |
| 18 | 13 | 0.02 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 19 | 8 | 0.01 | 7 | 0.08 | +info@netcraft.com |
| 20 | 6 | 0.01 | 6 | 0.07 | actually this is http://ismyblogworking.... |
| 21 | 5 | 0.01 | 1 | 0.01 | WinHttp.WinHttpRequest.5 |
| 22 | 4 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 23 | 4 | 0.01 | 0 | 0.00 | +http://www.findxbot.com |
| 24 | 4 | 0.01 | 2 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 25 | 3 | 0.01 | 1 | 0.01 | +http://prlog.ru/ |
| 26 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 27 | 1 | 0.00 | 1 | 0.01 | Windows 2000 |
| 28 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 29 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
| 30 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 31 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
