| Used Operating Systems by Visits |
| 1 | 3482 | 18.08 | 2518 | 40.85 | +http://www.baidu.com/search/spider.html |
| 2 | 3267 | 16.97 | 2005 | 32.53 | Windows NT |
| 3 | 2005 | 10.41 | 642 | 10.42 | +http://www.bing.com/bingbot.htm |
| 4 | 2516 | 13.07 | 554 | 8.99 | +http://ahrefs.com/robot/ |
| 5 | 689 | 3.58 | 213 | 3.46 | +http://www.google.com/bot.html |
| 6 | 252 | 1.31 | 42 | 0.68 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 189 | 0.98 | 36 | 0.58 | +http://yandex.com/bots |
| 8 | 39 | 0.20 | 34 | 0.55 | Windows 95 |
| 9 | 82 | 0.43 | 20 | 0.32 | http://www.majestic12.co.uk/bot.php?+ |
| 10 | 78 | 0.41 | 19 | 0.31 | +http://www.linkdex.com/bots/ |
| 11 | 14 | 0.07 | 14 | 0.23 | Windows ME |
| 12 | 4375 | 22.72 | 13 | 0.21 | +http://OpenLinkProfiler.org/bot |
| 13 | 9 | 0.05 | 8 | 0.13 | Windows 3.1 |
| 14 | 8 | 0.04 | 8 | 0.13 | MSIE 5.5; Windows NT 5.0 |
| 15 | 24 | 0.12 | 7 | 0.11 | Windows 98 |
| 16 | 6 | 0.03 | 6 | 0.10 | Windows 2000 |
| 17 | 6 | 0.03 | 6 | 0.10 | Windows CE |
| 18 | 12 | 0.06 | 6 | 0.10 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 4 | 0.02 | 4 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 20 | 4 | 0.02 | 2 | 0.03 | Windows XP |
| 21 | 2006 | 10.42 | 2 | 0.03 | http://crawler.007ac9.net/ |
| 22 | 103 | 0.53 | 2 | 0.03 | +http://advbot.org/bot.html |
| 23 | 6 | 0.03 | 1 | 0.02 | Linux [unknown version] |
| 24 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
| 25 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 26 | 75 | 0.39 | 0 | 0.00 | +http://www.easou.com/search/spider.html |
| 27 | 1 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
