| Used Operating Systems by Visits |
| 1 | 6432 | 12.88 | 1311 | 34.89 | Windows NT |
| 2 | 2049 | 4.10 | 492 | 13.10 | +http://www.google.com/bot.html |
| 3 | 1973 | 3.95 | 445 | 11.84 | +http://www.xovibot.net/ |
| 4 | 31609 | 63.28 | 318 | 8.46 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 1634 | 3.27 | 260 | 6.92 | +http://www.semrush.com/bot.html |
| 6 | 276 | 0.55 | 231 | 6.15 | +http://www.baidu.com/search/spider.html |
| 7 | 686 | 1.37 | 205 | 5.46 | +http://www.bing.com/bingbot.htm |
| 8 | 122 | 0.24 | 90 | 2.40 | Windows 95 |
| 9 | 334 | 0.67 | 73 | 1.94 | +http://yandex.com/bots |
| 10 | 94 | 0.19 | 47 | 1.25 | +http://ahrefs.com/robot/ |
| 11 | 123 | 0.25 | 32 | 0.85 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 76 | 0.15 | 24 | 0.64 | +http://www.linkdex.com/bots/ |
| 13 | 22 | 0.04 | 20 | 0.53 | Windows 2000 |
| 14 | 23 | 0.05 | 20 | 0.53 | Auto; Windows |
| 15 | 163 | 0.33 | 20 | 0.53 | Windows 98 |
| 16 | 39 | 0.08 | 20 | 0.53 | +http://www.exabot.com/go/robot |
| 17 | 2352 | 4.71 | 19 | 0.51 | +http://www.findxbot.com |
| 18 | 22 | 0.04 | 19 | 0.51 | ) - BrowseX (2.0.0 Windows |
| 19 | 19 | 0.04 | 14 | 0.37 | Windows ME |
| 20 | 17 | 0.03 | 14 | 0.37 | Windows 3.1 |
| 21 | 18 | 0.04 | 14 | 0.37 | MSIE 5.5; Windows NT 4.0 |
| 22 | 16 | 0.03 | 12 | 0.32 | Windows CE |
| 23 | 12 | 0.02 | 12 | 0.32 | +http://domainsigma.com/robot |
| 24 | 16 | 0.03 | 8 | 0.21 | +http://www.meanpath.com/meanpathbot.htm... |
| 25 | 16 | 0.03 | 7 | 0.19 | http://help.yahoo.com/help/us/ysearch/sl... |
| 26 | 7 | 0.01 | 6 | 0.16 | MSIE 5.5; Windows NT 5.0 |
| 27 | 4 | 0.01 | 4 | 0.11 | +http://www.seograph.net/bot.html |
| 28 | 12 | 0.02 | 4 | 0.11 | +http://OpenLinkProfiler.org/bot |
| 29 | 1248 | 2.50 | 4 | 0.11 | Linux i686 [unknown version] |
| 30 | 91 | 0.18 | 2 | 0.05 | Linux [unknown version] |
| 31 | 17 | 0.03 | 2 | 0.05 | Windows XP |
| 32 | 4 | 0.01 | 2 | 0.05 | +info@netcraft.com |
| 33 | 4 | 0.01 | 2 | 0.05 | +http://duckduckgo.com |
| 34 | 1 | 0.00 | 1 | 0.03 | crawler@mixrank.com |
| 35 | 1 | 0.00 | 1 | 0.03 | http://nmap.org/book/nse.html |
| 36 | 1 | 0.00 | 1 | 0.03 | Linux i586 [unknown version] |
| 37 | 1 | 0.00 | 1 | 0.03 | +http://advbot.org/bot.html |
| 38 | 91 | 0.18 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 39 | 87 | 0.17 | 0 | 0.00 | Linux i386 [unknown version] |
| 40 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 41 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 42 | 164 | 0.33 | 0 | 0.00 | Windows 9x |
| 43 | 75 | 0.15 | 0 | 0.00 | FreeBSD [unknown version] |
