| Used Operating Systems |
| 1 | 14498 | 31.97 | 12412 | 67.49 | +http://ahrefs.com/robot/ |
| 2 | 9438 | 20.81 | 80 | 0.43 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 7741 | 17.07 | 62 | 0.34 | http://mj12bot.com/ |
| 4 | 4303 | 9.49 | 3890 | 21.15 | +http://www.baidu.com/search/spider.html |
| 5 | 2448 | 5.40 | 345 | 1.88 | +http://www.bing.com/bingbot.htm |
| 6 | 2164 | 4.77 | 430 | 2.34 | Windows NT |
| 7 | 1546 | 3.41 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 8 | 1400 | 3.09 | 611 | 3.32 | +http://www.google.com/bot.html |
| 9 | 1140 | 2.51 | 263 | 1.43 | +http://www.linkdex.com/bots/ |
| 10 | 409 | 0.90 | 163 | 0.89 | +http://yandex.com/bots |
| 11 | 145 | 0.32 | 91 | 0.49 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 35 | 0.08 | 11 | 0.06 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 14 | 0.03 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 14 | 12 | 0.03 | 1 | 0.01 | +http://sur.ly/bot.html |
| 15 | 12 | 0.03 | 1 | 0.01 | http://www.opensiteexplorer.org/dotbot, ... |
| 16 | 8 | 0.02 | 1 | 0.01 | crawler@mixrank.com |
| 17 | 7 | 0.02 | 7 | 0.04 | Windows 95 |
| 18 | 4 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 19 | 3 | 0.01 | 3 | 0.02 | Windows 2000 |
| 20 | 3 | 0.01 | 3 | 0.02 | Windows XP |
| 21 | 3 | 0.01 | 2 | 0.01 | +info@netcraft.com |
| 22 | 3 | 0.01 | 3 | 0.02 | +http://www.uptime.com/uptimebot |
| 23 | 3 | 0.01 | 3 | 0.02 | Windows 98 |
| 24 | 2 | 0.00 | 1 | 0.01 | Windows CE |
| 25 | 2 | 0.00 | 2 | 0.01 | Auto; Windows |
| 26 | 2 | 0.00 | 2 | 0.01 | http://nmap.org/book/nse.html |
| 27 | 2 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 28 | 2 | 0.00 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 29 | 1 | 0.00 | 1 | 0.01 | https://nmap.org/book/nse.html |
| 30 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 31 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
