| Used Operating Systems |
| 1 | 23762 | 42.46 | 196 | 1.40 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 9843 | 17.59 | 1078 | 7.72 | Windows NT |
| 3 | 9092 | 16.25 | 7112 | 50.93 | +http://ahrefs.com/robot/ |
| 4 | 5923 | 10.58 | 4320 | 30.94 | +http://www.baidu.com/search/spider.html |
| 5 | 3309 | 5.91 | 1 | 0.01 | +http://megaindex.com/crawler |
| 6 | 839 | 1.50 | 295 | 2.11 | +http://www.bing.com/bingbot.htm |
| 7 | 705 | 1.26 | 303 | 2.17 | +http://www.google.com/bot.html |
| 8 | 602 | 1.08 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 9 | 442 | 0.79 | 137 | 0.98 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 433 | 0.77 | 59 | 0.42 | +http://www.semrush.com/bot.html |
| 11 | 241 | 0.43 | 87 | 0.62 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 201 | 0.36 | 61 | 0.44 | +http://yandex.com/bots |
| 13 | 184 | 0.33 | 166 | 1.19 | +http://www.xovibot.net/ |
| 14 | 72 | 0.13 | 25 | 0.18 | +http://www.linkdex.com/bots/ |
| 15 | 68 | 0.12 | 26 | 0.19 | Windows 95 |
| 16 | 46 | 0.08 | 3 | 0.02 | Windows 98 |
| 17 | 41 | 0.07 | 8 | 0.06 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 30 | 0.05 | 30 | 0.21 | actually this is http://ismyblogworking.... |
| 19 | 27 | 0.05 | 9 | 0.06 | Windows XP |
| 20 | 16 | 0.03 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 21 | 16 | 0.03 | 15 | 0.11 | +http://www.uptime.com/uptimebot |
| 22 | 12 | 0.02 | 5 | 0.04 | Windows 3.1 |
| 23 | 10 | 0.02 | 3 | 0.02 | Windows ME |
| 24 | 6 | 0.01 | 2 | 0.01 | Auto; Windows |
| 25 | 6 | 0.01 | 1 | 0.01 | +http://sur.ly/bot.html |
| 26 | 5 | 0.01 | 0 | 0.00 | http://drive.google.com |
| 27 | 5 | 0.01 | 2 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 28 | 4 | 0.01 | 2 | 0.01 | Windows CE |
| 29 | 4 | 0.01 | 2 | 0.01 | Windows 2000 |
| 30 | 4 | 0.01 | 3 | 0.02 | http://nmap.org/book/nse.html |
| 31 | 3 | 0.01 | 2 | 0.01 | +info@netcraft.com |
| 32 | 3 | 0.01 | 1 | 0.01 | +http://prlog.ru/ |
| 33 | 3 | 0.01 | 3 | 0.02 | X11 |
| 34 | 2 | 0.00 | 0 | 0.00 | Series 60 |
| 35 | 2 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 36 | 2 | 0.00 | 1 | 0.01 | +http://duckduckgo.com |
| 37 | 2 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 38 | 2 | 0.00 | 1 | 0.01 | Android 2.3.5 |
