| Used Operating Systems |
| 1 | 3192 | 90.58 | 2325 | 96.03 | +http://www.baidu.com/search/spider.html |
| 2 | 98 | 2.78 | 25 | 1.03 | +http://www.google.com/bot.html |
| 3 | 59 | 1.67 | 12 | 0.50 | +http://www.bing.com/bingbot.htm |
| 4 | 49 | 1.39 | 20 | 0.83 | Windows NT |
| 5 | 23 | 0.65 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 6 | 18 | 0.51 | 7 | 0.29 | +http://www.meanpath.com/meanpathbot.htm... |
| 7 | 14 | 0.40 | 2 | 0.08 | http://filterdb.iss.net/crawler/ |
| 8 | 12 | 0.34 | 4 | 0.17 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 12 | 0.34 | 4 | 0.17 | +http://OpenLinkProfiler.org/bot |
| 10 | 10 | 0.28 | 3 | 0.12 | +http://yandex.com/bots |
| 11 | 8 | 0.23 | 8 | 0.33 | +http://www.domaintuno.com/robot |
| 12 | 6 | 0.17 | 2 | 0.08 | +https://www.lipperhey.com/en/about/ |
| 13 | 5 | 0.14 | 0 | 0.00 | http://www.majestic12.co.uk/bot.php?+ |
| 14 | 4 | 0.11 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 4 | 0.11 | 2 | 0.08 | +info@netcraft.com |
| 16 | 3 | 0.09 | 3 | 0.12 | http://nmap.org/book/nse.html |
| 17 | 2 | 0.06 | 2 | 0.08 | +https://gimmeusa.com/pages/crawler |
| 18 | 2 | 0.06 | 2 | 0.08 | X11 |
| 19 | 2 | 0.06 | 0 | 0.00 | Windows 98 |
| 20 | 1 | 0.03 | 0 | 0.00 | +http://www.seograph.net/bot.html |
