| Used Operating Systems |
| 1 | 17149 | 71.89 | 199 | 5.23 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2636 | 11.05 | 1080 | 28.38 | Windows NT |
| 3 | 1981 | 8.31 | 1536 | 40.37 | +http://www.baidu.com/search/spider.html |
| 4 | 987 | 4.14 | 588 | 15.45 | +http://www.google.com/bot.html |
| 5 | 215 | 0.90 | 116 | 3.05 | +http://www.bing.com/bingbot.htm |
| 6 | 165 | 0.69 | 2 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 7 | 163 | 0.68 | 36 | 0.95 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 111 | 0.47 | 40 | 1.05 | +http://yandex.com/bots |
| 9 | 92 | 0.39 | 63 | 1.66 | +http://www.linkdex.com/bots/ |
| 10 | 34 | 0.14 | 18 | 0.47 | Windows 95 |
| 11 | 32 | 0.13 | 16 | 0.42 | +http://www.exabot.com/go/robot |
| 12 | 26 | 0.11 | 9 | 0.24 | Windows 98 |
| 13 | 25 | 0.10 | 17 | 0.45 | +http://megaindex.com/crawler |
| 14 | 21 | 0.09 | 1 | 0.03 | +; |
| 15 | 19 | 0.08 | 1 | 0.03 | MAUI Runtime |
| 16 | 16 | 0.07 | 1 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 17 | 16 | 0.07 | 11 | 0.29 | +http://ahrefs.com/robot/ |
| 18 | 12 | 0.05 | 5 | 0.13 | +http://help.coccoc.com/ |
| 19 | 12 | 0.05 | 6 | 0.16 | +http://www.meanpath.com/meanpathbot.htm... |
| 20 | 11 | 0.05 | 5 | 0.13 | Windows CE |
| 21 | 10 | 0.04 | 5 | 0.13 | http://www.searchmetrics.com/en/searchme... |
| 22 | 10 | 0.04 | 1 | 0.03 | X11 |
| 23 | 9 | 0.04 | 3 | 0.08 | ) - BrowseX (2.0.0 Windows |
| 24 | 8 | 0.03 | 4 | 0.11 | +http://OpenLinkProfiler.org/bot |
| 25 | 8 | 0.03 | 4 | 0.11 | MSIE 5.5; Windows NT 4.0 |
| 26 | 7 | 0.03 | 3 | 0.08 | Windows ME |
| 27 | 6 | 0.03 | 3 | 0.08 | Auto; Windows |
| 28 | 6 | 0.03 | 3 | 0.08 | +http://duckduckgo.com |
| 29 | 6 | 0.03 | 6 | 0.16 | +http://domainsigma.com/robot |
| 30 | 5 | 0.02 | 2 | 0.05 | Windows 2000 |
| 31 | 5 | 0.02 | 3 | 0.08 | Linux i686 [unknown version] |
| 32 | 5 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 33 | 4 | 0.02 | 0 | 0.00 | Android |
| 34 | 4 | 0.02 | 2 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 35 | 4 | 0.02 | 1 | 0.03 | Windows XP |
| 36 | 4 | 0.02 | 1 | 0.03 | +http://www.semrush.com/bot.html |
| 37 | 4 | 0.02 | 1 | 0.03 | +http://fulltext.sblog.cz/ |
| 38 | 3 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 39 | 3 | 0.01 | 1 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 40 | 3 | 0.01 | 1 | 0.03 | +http://www.profound.net/domainappender |
| 41 | 2 | 0.01 | 2 | 0.05 | info@muso.com; +http://www.muso.com |
| 42 | 2 | 0.01 | 2 | 0.05 | crawler@mixrank.com |
| 43 | 2 | 0.01 | 2 | 0.05 | +http://glutenfreepleasure.com/ |
| 44 | 2 | 0.01 | 1 | 0.03 | +http://www.netseer.com/crawler.html; cr... |
| 45 | 2 | 0.01 | 2 | 0.05 | Windows 3.1 |
| 46 | 2 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 47 | 2 | 0.01 | 1 | 0.03 | +info@netcraft.com |
| 48 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 49 | 1 | 0.00 | 1 | 0.03 | MSIE 5.5; Windows NT 5.0 |
