| Used Operating Systems |
| 1 | 15375 | 41.19 | 106 | 2.51 | +http://ahrefs.com/robot/ |
| 2 | 14115 | 37.81 | 153 | 3.63 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 3844 | 10.30 | 2628 | 62.29 | +http://www.baidu.com/search/spider.html |
| 4 | 2563 | 6.87 | 771 | 18.27 | Windows NT |
| 5 | 946 | 2.53 | 299 | 7.09 | +http://www.bing.com/bingbot.htm |
| 6 | 173 | 0.46 | 79 | 1.87 | +http://www.google.com/bot.html |
| 7 | 63 | 0.17 | 23 | 0.55 | +http://www.linkdex.com/bots/ |
| 8 | 63 | 0.17 | 21 | 0.50 | +http://yandex.com/bots |
| 9 | 47 | 0.13 | 45 | 1.07 | Windows 95 |
| 10 | 34 | 0.09 | 14 | 0.33 | +http://www.semrush.com/bot.html |
| 11 | 32 | 0.09 | 12 | 0.28 | Windows 98 |
| 12 | 11 | 0.03 | 11 | 0.26 | Windows CE |
| 13 | 9 | 0.02 | 9 | 0.21 | ) - BrowseX (2.0.0 Windows |
| 14 | 8 | 0.02 | 7 | 0.17 | Auto; Windows |
| 15 | 8 | 0.02 | 8 | 0.19 | Windows ME |
| 16 | 8 | 0.02 | 8 | 0.19 | Windows 3.1 |
| 17 | 8 | 0.02 | 8 | 0.19 | MSIE 5.5; Windows NT 5.0 |
| 18 | 8 | 0.02 | 8 | 0.19 | MSIE 5.5; Windows NT 4.0 |
| 19 | 7 | 0.02 | 7 | 0.17 | Windows 2000 |
| 20 | 4 | 0.01 | 0 | 0.00 | Windows XP |
| 21 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 22 | 1 | 0.00 | 1 | 0.02 | Linux [unknown version] |
