| Used Operating Systems |
| 1 | 7145 | 34.96 | 82 | 1.33 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4565 | 22.33 | 3655 | 59.47 | +http://ahrefs.com/robot/ |
| 3 | 3954 | 19.35 | 7 | 0.11 | +http://www.warebay.com/bot.html |
| 4 | 2279 | 11.15 | 532 | 8.66 | Windows NT |
| 5 | 1847 | 9.04 | 1567 | 25.50 | +http://www.baidu.com/search/spider.html |
| 6 | 176 | 0.86 | 74 | 1.20 | +http://yandex.com/bots |
| 7 | 145 | 0.71 | 65 | 1.06 | +http://www.google.com/bot.html |
| 8 | 123 | 0.60 | 86 | 1.40 | +http://www.bing.com/bingbot.htm |
| 9 | 106 | 0.52 | 30 | 0.49 | +http://www.linkdex.com/bots/ |
| 10 | 46 | 0.23 | 16 | 0.26 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 18 | 0.09 | 5 | 0.08 | Windows 98 |
| 12 | 10 | 0.05 | 6 | 0.10 | Windows XP |
| 13 | 9 | 0.04 | 7 | 0.11 | Windows 95 |
| 14 | 4 | 0.02 | 2 | 0.03 | Auto; Windows |
| 15 | 4 | 0.02 | 4 | 0.07 | Windows ME |
| 16 | 2 | 0.01 | 2 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 17 | 2 | 0.01 | 2 | 0.03 | Linux i686 [unknown version] |
| 18 | 2 | 0.01 | 2 | 0.03 | X11 |
| 19 | 2 | 0.01 | 2 | 0.03 | MSIE 5.5; Windows NT 5.0 |
