| Used Operating Systems |
| 1 | 15802 | 57.27 | 186 | 6.51 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 10755 | 38.98 | 2382 | 83.40 | Windows NT |
| 3 | 290 | 1.05 | 56 | 1.96 | +http://www.linkdex.com/about/bots/ |
| 4 | 274 | 0.99 | 5 | 0.18 | +http://yandex.com/bots |
| 5 | 112 | 0.41 | 35 | 1.23 | +http://www.google.com/bot.html |
| 6 | 90 | 0.33 | 46 | 1.61 | +http://www.bing.com/bingbot.htm |
| 7 | 66 | 0.24 | 6 | 0.21 | X11 |
| 8 | 51 | 0.18 | 33 | 1.16 | Windows 98 |
| 9 | 42 | 0.15 | 36 | 1.26 | Windows 95 |
| 10 | 17 | 0.06 | 11 | 0.39 | +http://ahrefs.com/robot/ |
| 11 | 13 | 0.05 | 10 | 0.35 | MSIE 5.5; Windows NT 4.0 |
| 12 | 12 | 0.04 | 1 | 0.04 | Android 2.3.5 |
| 13 | 11 | 0.04 | 9 | 0.32 | Windows CE |
| 14 | 11 | 0.04 | 10 | 0.35 | MSIE 5.5; Windows NT 5.0 |
| 15 | 10 | 0.04 | 1 | 0.04 | Windows XP |
| 16 | 7 | 0.03 | 7 | 0.25 | Auto; Windows |
| 17 | 7 | 0.03 | 6 | 0.21 | Windows 3.1 |
| 18 | 4 | 0.01 | 4 | 0.14 | Windows 2000 |
| 19 | 4 | 0.01 | 2 | 0.07 | ezooms.bot@gmail.com |
| 20 | 4 | 0.01 | 4 | 0.14 | ) - BrowseX (2.0.0 Windows |
| 21 | 4 | 0.01 | 2 | 0.07 | help@moz.com |
| 22 | 3 | 0.01 | 1 | 0.04 | +http://www.baidu.com/search/spider.html |
| 23 | 2 | 0.01 | 1 | 0.04 | Windows ME |
| 24 | 2 | 0.01 | 2 | 0.07 | +info@netcraft.com |
