| Used Operating Systems |
| 1 | 3573 | 43.16 | 1205 | 35.62 | Windows NT |
| 2 | 1492 | 18.02 | 1242 | 36.71 | +http://ahrefs.com/robot/ |
| 3 | 1321 | 15.96 | 31 | 0.92 | http://mj12bot.com/ |
| 4 | 544 | 6.57 | 103 | 3.04 | +http://www.bing.com/bingbot.htm |
| 5 | 526 | 6.35 | 480 | 14.19 | +http://www.baidu.com/search/spider.html |
| 6 | 249 | 3.01 | 121 | 3.58 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 7 | 249 | 3.01 | 70 | 2.07 | +http://yandex.com/bots |
| 8 | 194 | 2.34 | 68 | 2.01 | +http://www.linkdex.com/bots/ |
| 9 | 68 | 0.82 | 39 | 1.15 | +http://www.google.com/bot.html |
| 10 | 19 | 0.23 | 0 | 0.00 | X11 |
| 11 | 11 | 0.13 | 0 | 0.00 | Android 2.3.5 |
| 12 | 6 | 0.07 | 3 | 0.09 | Windows 95 |
| 13 | 6 | 0.07 | 6 | 0.18 | +info@netcraft.com |
| 14 | 5 | 0.06 | 1 | 0.03 | Windows 98 |
| 15 | 3 | 0.04 | 2 | 0.06 | http://www.opensiteexplorer.org/dotbot, ... |
| 16 | 3 | 0.04 | 3 | 0.09 | Windows XP |
| 17 | 3 | 0.04 | 2 | 0.06 | Windows 3.1 |
| 18 | 2 | 0.02 | 2 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 19 | 2 | 0.02 | 2 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 20 | 1 | 0.01 | 1 | 0.03 | Windows CE |
| 21 | 1 | 0.01 | 1 | 0.03 | Auto; Windows |
| 22 | 1 | 0.01 | 1 | 0.03 | Windows 2000 |
