| Used Operating Systems |
| 1 | 6566 | 40.94 | 3 | 0.16 | +http://megaindex.com/crawler |
| 2 | 3650 | 22.76 | 89 | 4.67 | +http://yandex.com/bots |
| 3 | 3096 | 19.30 | 1074 | 56.41 | +http://www.baidu.com/search/spider.html |
| 4 | 1290 | 8.04 | 457 | 24.00 | Windows NT |
| 5 | 694 | 4.33 | 4 | 0.21 | +http://www.warebay.com/bot.html |
| 6 | 349 | 2.18 | 85 | 4.46 | +http://www.google.com/bot.html |
| 7 | 178 | 1.11 | 10 | 0.53 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 74 | 0.46 | 57 | 2.99 | +http://ahrefs.com/robot/ |
| 9 | 42 | 0.26 | 42 | 2.21 | Windows 95 |
| 10 | 35 | 0.22 | 25 | 1.31 | Windows 98 |
| 11 | 10 | 0.06 | 10 | 0.53 | ) - BrowseX (2.0.0 Windows |
| 12 | 8 | 0.05 | 8 | 0.42 | Windows 2000 |
| 13 | 8 | 0.05 | 4 | 0.21 | +http://help.coccoc.com/searchengine |
| 14 | 7 | 0.04 | 7 | 0.37 | Windows CE |
| 15 | 6 | 0.04 | 6 | 0.32 | Windows 3.1 |
| 16 | 5 | 0.03 | 5 | 0.26 | MSIE 5.5; Windows NT 5.0 |
| 17 | 4 | 0.02 | 4 | 0.21 | Auto; Windows |
| 18 | 4 | 0.02 | 4 | 0.21 | Windows XP |
| 19 | 4 | 0.02 | 4 | 0.21 | Windows ME |
| 20 | 4 | 0.02 | 2 | 0.11 | http://help.yahoo.com/help/us/ysearch/sl... |
| 21 | 2 | 0.01 | 2 | 0.11 | MSIE 5.5; Windows NT 4.0 |
| 22 | 2 | 0.01 | 2 | 0.11 | +info@netcraft.com |
