| Used Operating Systems |
| 1 | 18454 | 51.21 | 332 | 6.07 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7983 | 22.15 | 514 | 9.40 | +http://ahrefs.com/robot/ |
| 3 | 4145 | 11.50 | 2770 | 50.67 | +http://www.baidu.com/search/spider.html |
| 4 | 2975 | 8.26 | 1076 | 19.68 | Windows NT |
| 5 | 1082 | 3.00 | 276 | 5.05 | +http://www.bing.com/bingbot.htm |
| 6 | 734 | 2.04 | 295 | 5.40 | +http://www.google.com/bot.html |
| 7 | 418 | 1.16 | 132 | 2.41 | +http://yandex.com/bots |
| 8 | 146 | 0.41 | 39 | 0.71 | +http://www.linkdex.com/bots/ |
| 9 | 16 | 0.04 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 10 | 12 | 0.03 | 7 | 0.13 | Windows 98 |
| 11 | 11 | 0.03 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 12 | 10 | 0.03 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 13 | 8 | 0.02 | 2 | 0.04 | +https://www.lipperhey.com/en/about/ |
| 14 | 6 | 0.02 | 3 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 15 | 5 | 0.01 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 16 | 4 | 0.01 | 2 | 0.04 | http://www.opensiteexplorer.org/dotbot, ... |
| 17 | 4 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 18 | 3 | 0.01 | 3 | 0.05 | http://nmap.org/book/nse.html |
| 19 | 3 | 0.01 | 2 | 0.04 | +info@netcraft.com |
| 20 | 3 | 0.01 | 3 | 0.05 | +http://tobbot.com/ |
| 21 | 3 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 22 | 2 | 0.01 | 2 | 0.04 | X11 |
| 23 | 2 | 0.01 | 2 | 0.04 | +http://www.grapeshot.co.uk/crawler.php |
| 24 | 2 | 0.01 | 1 | 0.02 | +http://duckduckgo.com |
| 25 | 1 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
| 26 | 1 | 0.00 | 1 | 0.02 | Intel Mac OS X 10.4 |
| 27 | 1 | 0.00 | 1 | 0.02 | +http://domainmacro.com |
| 28 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
