| Used Operating Systems |
| 1 | 4439 | 40.49 | 1334 | 44.45 | Windows NT |
| 2 | 2431 | 22.17 | 1079 | 35.95 | +http://www.baidu.com/search/spider.html |
| 3 | 1062 | 9.69 | 237 | 7.90 | +http://ahrefs.com/robot/ |
| 4 | 1015 | 9.26 | 126 | 4.20 | +http://www.bing.com/bingbot.htm |
| 5 | 440 | 4.01 | 2 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 6 | 416 | 3.79 | 2 | 0.07 | +http://www.seokicks.de/robot.html |
| 7 | 415 | 3.79 | 106 | 3.53 | +http://www.google.com/bot.html |
| 8 | 276 | 2.52 | 50 | 1.67 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 215 | 1.96 | 19 | 0.63 | +http://yandex.com/bots |
| 10 | 160 | 1.46 | 10 | 0.33 | http://www.majestic12.co.uk/bot.php?+ |
| 11 | 58 | 0.53 | 24 | 0.80 | +http://duckduckgo.com |
| 12 | 12 | 0.11 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 13 | 4 | 0.04 | 2 | 0.07 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 4 | 0.04 | 4 | 0.13 | Windows 95 |
| 15 | 4 | 0.04 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 16 | 2 | 0.02 | 2 | 0.07 | Windows CE |
| 17 | 2 | 0.02 | 0 | 0.00 | Windows XP |
| 18 | 2 | 0.02 | 2 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 19 | 2 | 0.02 | 2 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 20 | 2 | 0.02 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 21 | 2 | 0.02 | 0 | 0.00 | X11 |
