| Used Operating Systems |
| 1 | 16207 | 45.29 | 227 | 3.36 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 10794 | 30.17 | 4212 | 62.34 | +http://ahrefs.com/robot/ |
| 3 | 2765 | 7.73 | 868 | 12.85 | Windows NT |
| 4 | 1784 | 4.99 | 6 | 0.09 | +http://www.warebay.com/bot.html |
| 5 | 1302 | 3.64 | 664 | 9.83 | +http://www.baidu.com/search/spider.html |
| 6 | 1299 | 3.63 | 180 | 2.66 | +http://www.linkdex.com/bots/ |
| 7 | 938 | 2.62 | 337 | 4.99 | +http://www.google.com/bot.html |
| 8 | 268 | 0.75 | 101 | 1.49 | +http://www.semrush.com/bot.html |
| 9 | 114 | 0.32 | 47 | 0.70 | +http://yandex.com/bots |
| 10 | 111 | 0.31 | 29 | 0.43 | +http://www.bing.com/bingbot.htm |
| 11 | 104 | 0.29 | 28 | 0.41 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 25 | 0.07 | 18 | 0.27 | Windows XP |
| 13 | 14 | 0.04 | 7 | 0.10 | Windows CE |
| 14 | 9 | 0.03 | 5 | 0.07 | Windows 98 |
| 15 | 7 | 0.02 | 4 | 0.06 | Windows 95 |
| 16 | 7 | 0.02 | 4 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 17 | 6 | 0.02 | 2 | 0.03 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 5 | 0.01 | 4 | 0.06 | Linux i686 [unknown version] |
| 19 | 4 | 0.01 | 2 | 0.03 | Windows 3.1 |
| 20 | 4 | 0.01 | 2 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 21 | 4 | 0.01 | 2 | 0.03 | +http://duckduckgo.com |
| 22 | 3 | 0.01 | 3 | 0.04 | J2ME/MIDP |
| 23 | 3 | 0.01 | 2 | 0.03 | Windows ME |
| 24 | 2 | 0.01 | 2 | 0.03 | X11 |
| 25 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 26 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
