| Used Operating Systems by Visits |
| 1 | 9800 | 47.78 | 2642 | 60.22 | Windows NT |
| 2 | 3203 | 15.62 | 468 | 10.67 | +http://www.google.com/bot.html |
| 3 | 1902 | 9.27 | 303 | 6.91 | +http://www.bing.com/bingbot.htm |
| 4 | 214 | 1.04 | 197 | 4.49 | Windows 95 |
| 5 | 820 | 4.00 | 146 | 3.33 | +http://www.baidu.com/search/spider.html |
| 6 | 156 | 0.76 | 52 | 1.19 | +http://www.linkdex.com/bots/ |
| 7 | 273 | 1.33 | 48 | 1.09 | +http://yandex.com/bots |
| 8 | 2703 | 13.18 | 47 | 1.07 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 47 | 0.23 | 46 | 1.05 | Windows 2000 |
| 10 | 127 | 0.62 | 40 | 0.91 | Windows 98 |
| 11 | 40 | 0.20 | 39 | 0.89 | Windows CE |
| 12 | 39 | 0.19 | 35 | 0.80 | Windows ME |
| 13 | 31 | 0.15 | 31 | 0.71 | Auto; Windows |
| 14 | 36 | 0.18 | 31 | 0.71 | Windows 3.1 |
| 15 | 135 | 0.66 | 27 | 0.62 | http://www.opensiteexplorer.org/dotbot, ... |
| 16 | 130 | 0.63 | 26 | 0.59 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 26 | 0.13 | 26 | 0.59 | MSIE 5.5; Windows NT 5.0 |
| 18 | 46 | 0.22 | 23 | 0.52 | +http://ahrefs.com/robot/ |
| 19 | 23 | 0.11 | 23 | 0.52 | MSIE 5.5; Windows NT 4.0 |
| 20 | 20 | 0.10 | 20 | 0.46 | ) - BrowseX (2.0.0 Windows |
| 21 | 48 | 0.23 | 19 | 0.43 | +http://www.exabot.com/go/robot |
| 22 | 37 | 0.18 | 10 | 0.23 | +http://www.semrush.com/bot.html |
| 23 | 18 | 0.09 | 9 | 0.21 | +http://duckduckgo.com |
| 24 | 136 | 0.66 | 9 | 0.21 | +http://fulltext.sblog.cz/ |
| 25 | 19 | 0.09 | 8 | 0.18 | +http://help.coccoc.com/ |
| 26 | 9 | 0.04 | 7 | 0.16 | http://www.bing.com/bingbot.htm |
| 27 | 71 | 0.35 | 6 | 0.14 | +http://www.findxbot.com |
| 28 | 5 | 0.02 | 5 | 0.11 | +http://www.domaintuno.com/robot |
| 29 | 10 | 0.05 | 5 | 0.11 | +http://www.meanpath.com/meanpathbot.htm... |
| 30 | 5 | 0.02 | 4 | 0.09 | Linux [unknown version] |
| 31 | 30 | 0.15 | 4 | 0.09 | Windows XP |
| 32 | 4 | 0.02 | 4 | 0.09 | Linux i686 [unknown version] |
| 33 | 5 | 0.02 | 3 | 0.07 | +http://gimmeusa-update.com/crawler |
| 34 | 4 | 0.02 | 3 | 0.07 | Linux i586 [unknown version] |
| 35 | 3 | 0.01 | 2 | 0.05 | +http://www.netseer.com/crawler.html; cr... |
| 36 | 20 | 0.10 | 2 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 37 | 3 | 0.01 | 2 | 0.05 | +info@netcraft.com |
| 38 | 52 | 0.25 | 2 | 0.05 | +https://www.aihitdata.com/about |
| 39 | 2 | 0.01 | 2 | 0.05 | X11 |
| 40 | 8 | 0.04 | 1 | 0.02 | crawler@mixrank.com |
| 41 | 27 | 0.13 | 1 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 42 | 34 | 0.17 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 43 | 1 | 0.00 | 1 | 0.02 | +http://www.seograph.net/bot.html |
| 44 | 142 | 0.69 | 1 | 0.02 | Android |
| 45 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 46 | 1 | 0.00 | 1 | 0.02 | PPC Mac OS X Mach-O |
| 47 | 3 | 0.01 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 48 | 12 | 0.06 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 49 | 24 | 0.12 | 1 | 0.02 | WinHttp.WinHttpRequest.5 |
| 50 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 51 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 52 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 53 | 3 | 0.01 | 0 | 0.00 | +http://www.xovibot.net/ |
