| Used Operating Systems |
| 1 | 3586 | 49.33 | 3128 | 77.29 | +http://www.baidu.com/search/spider.html |
| 2 | 1737 | 23.90 | 156 | 3.85 | Windows NT |
| 3 | 508 | 6.99 | 195 | 4.82 | +http://www.google.com/bot.html |
| 4 | 492 | 6.77 | 152 | 3.76 | ezooms.bot@gmail.com |
| 5 | 425 | 5.85 | 185 | 4.57 | +http://www.bing.com/bingbot.htm |
| 6 | 298 | 4.10 | 111 | 2.74 | +http://yandex.com/bots |
| 7 | 137 | 1.88 | 77 | 1.90 | +http://ahrefs.com/robot/ |
| 8 | 42 | 0.58 | 21 | 0.52 | Windows 2000 |
| 9 | 16 | 0.22 | 8 | 0.20 | Windows 95 |
| 10 | 7 | 0.10 | 3 | 0.07 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 6 | 0.08 | 2 | 0.05 | http://www.majestic12.co.uk/bot.php?+ |
| 12 | 4 | 0.06 | 2 | 0.05 | Auto; Windows |
| 13 | 4 | 0.06 | 2 | 0.05 | Windows 98 |
| 14 | 3 | 0.04 | 3 | 0.07 | Linux i686 [unknown version] |
| 15 | 2 | 0.03 | 1 | 0.02 | Windows ME |
| 16 | 2 | 0.03 | 1 | 0.02 | +info@netcraft.com |
