| Used Operating Systems by Visits |
| 1 | 3345 | 10.51 | 2774 | 46.80 | +http://www.baidu.com/search/spider.html |
| 2 | 2859 | 8.98 | 1068 | 18.02 | Windows NT |
| 3 | 3223 | 10.12 | 1034 | 17.45 | +http://www.xovibot.net/ |
| 4 | 514 | 1.61 | 274 | 4.62 | +http://www.google.com/bot.html |
| 5 | 202 | 0.63 | 141 | 2.38 | +http://www.bing.com/bingbot.htm |
| 6 | 15670 | 49.22 | 138 | 2.33 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 134 | 0.42 | 120 | 2.02 | Windows 95 |
| 8 | 5146 | 16.16 | 102 | 1.72 | +http://ahrefs.com/robot/ |
| 9 | 87 | 0.27 | 35 | 0.59 | Windows 98 |
| 10 | 27 | 0.08 | 26 | 0.44 | MSIE 5.5; Windows NT 5.0 |
| 11 | 28 | 0.09 | 24 | 0.40 | Windows 3.1 |
| 12 | 24 | 0.08 | 23 | 0.39 | ) - BrowseX (2.0.0 Windows |
| 13 | 21 | 0.07 | 21 | 0.35 | Auto; Windows |
| 14 | 20 | 0.06 | 20 | 0.34 | MSIE 5.5; Windows NT 4.0 |
| 15 | 48 | 0.15 | 19 | 0.32 | +http://www.linkdex.com/bots/ |
| 16 | 19 | 0.06 | 18 | 0.30 | Windows CE |
| 17 | 17 | 0.05 | 16 | 0.27 | Windows ME |
| 18 | 16 | 0.05 | 15 | 0.25 | Windows 2000 |
| 19 | 30 | 0.09 | 13 | 0.22 | http://help.yahoo.com/help/us/ysearch/sl... |
| 20 | 50 | 0.16 | 13 | 0.22 | +http://yandex.com/bots |
| 21 | 31 | 0.10 | 12 | 0.20 | Windows XP |
| 22 | 272 | 0.85 | 5 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 23 | 12 | 0.04 | 3 | 0.05 | http://www.opensiteexplorer.org/dotbot, ... |
| 24 | 6 | 0.02 | 3 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 25 | 3 | 0.01 | 3 | 0.05 | +http://domainsigma.com/robot |
| 26 | 4 | 0.01 | 2 | 0.03 | +http://www.exabot.com/go/robot |
| 27 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 28 | 1 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
| 29 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 30 | 12 | 0.04 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 31 | 14 | 0.04 | 1 | 0.02 | +http://www.semrush.com/bot.html |
| 32 | 1 | 0.00 | 0 | 0.00 | NetBSD [unknown version] |
