| Used Operating Systems |
| 1 | 18779 | 77.69 | 154 | 4.99 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 1904 | 7.88 | 1649 | 53.38 | +http://www.baidu.com/search/spider.html |
| 3 | 1623 | 6.71 | 456 | 14.76 | +http://www.google.com/bot.html |
| 4 | 956 | 3.95 | 483 | 15.64 | +http://www.bing.com/bingbot.htm |
| 5 | 299 | 1.24 | 194 | 6.28 | Windows NT |
| 6 | 108 | 0.45 | 2 | 0.06 | Linux [unknown version] |
| 7 | 67 | 0.28 | 31 | 1.00 | +http://yandex.com/bots |
| 8 | 57 | 0.24 | 2 | 0.06 | Linux i686 [unknown version] |
| 9 | 54 | 0.22 | 1 | 0.03 | Linux i586 [unknown version] |
| 10 | 53 | 0.22 | 37 | 1.20 | +http://ahrefs.com/robot/ |
| 11 | 44 | 0.18 | 2 | 0.06 | +https://www.aihitdata.com/about |
| 12 | 40 | 0.17 | 18 | 0.58 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 38 | 0.16 | 2 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 14 | 26 | 0.11 | 12 | 0.39 | +http://www.exabot.com/go/robot |
| 15 | 21 | 0.09 | 9 | 0.29 | http://www.opensiteexplorer.org/dotbot, ... |
| 16 | 20 | 0.08 | 4 | 0.13 | +http://www.semrush.com/bot.html |
| 17 | 15 | 0.06 | 3 | 0.10 | http://filterdb.iss.net/crawler/ |
| 18 | 14 | 0.06 | 7 | 0.23 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 19 | 13 | 0.05 | 1 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 20 | 9 | 0.04 | 1 | 0.03 | +http://www.linkdex.com/bots/ |
| 21 | 7 | 0.03 | 5 | 0.16 | +info@netcraft.com |
| 22 | 6 | 0.02 | 2 | 0.06 | +http://duckduckgo.com |
| 23 | 4 | 0.02 | 2 | 0.06 | +http://crawler.seolytics.net/ |
| 24 | 4 | 0.02 | 4 | 0.13 | Windows 95 |
| 25 | 2 | 0.01 | 2 | 0.06 | http://nmap.org/book/nse.html |
| 26 | 2 | 0.01 | 1 | 0.03 | http://www.botje.com/plukkie.htm |
| 27 | 2 | 0.01 | 2 | 0.06 | Windows 98 |
| 28 | 2 | 0.01 | 1 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 29 | 1 | 0.00 | 1 | 0.03 | Windows ME |
| 30 | 1 | 0.00 | 1 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 31 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
