| Used Operating Systems |
| 1 | 45145 | 86.49 | 303 | 8.45 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2274 | 4.36 | 726 | 20.24 | Windows NT |
| 3 | 2217 | 4.25 | 1738 | 48.45 | +http://www.baidu.com/search/spider.html |
| 4 | 1123 | 2.15 | 235 | 6.55 | +http://www.bing.com/bingbot.htm |
| 5 | 453 | 0.87 | 253 | 7.05 | +http://www.google.com/bot.html |
| 6 | 242 | 0.46 | 69 | 1.92 | +http://www.linkdex.com/bots/ |
| 7 | 168 | 0.32 | 2 | 0.06 | +http://filterdb.iss.net/crawler/ |
| 8 | 94 | 0.18 | 56 | 1.56 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 79 | 0.15 | 36 | 1.00 | +http://www.exabot.com/go/robot |
| 10 | 48 | 0.09 | 15 | 0.42 | +http://yandex.com/bots |
| 11 | 45 | 0.09 | 25 | 0.70 | +http://ahrefs.com/robot/ |
| 12 | 36 | 0.07 | 16 | 0.45 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 35 | 0.07 | 1 | 0.03 | Linux [unknown version] |
| 14 | 35 | 0.07 | 27 | 0.75 | Windows 95 |
| 15 | 22 | 0.04 | 10 | 0.28 | Windows 98 |
| 16 | 18 | 0.03 | 6 | 0.17 | +http://OpenLinkProfiler.org/bot |
| 17 | 14 | 0.03 | 5 | 0.14 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 18 | 12 | 0.02 | 6 | 0.17 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 10 | 0.02 | 1 | 0.03 | Intel Mac OS X 10.6 |
| 20 | 9 | 0.02 | 7 | 0.20 | Windows 3.1 |
| 21 | 8 | 0.02 | 5 | 0.14 | Windows CE |
| 22 | 8 | 0.02 | 4 | 0.11 | +http://duckduckgo.com |
| 23 | 7 | 0.01 | 3 | 0.08 | Auto; Windows |
| 24 | 7 | 0.01 | 5 | 0.14 | MSIE 5.5; Windows NT 5.0 |
| 25 | 7 | 0.01 | 0 | 0.00 | +http://corp.sputnik.ru/webmaster |
| 26 | 6 | 0.01 | 2 | 0.06 | http://www.searchmetrics.com/en/searchme... |
| 27 | 6 | 0.01 | 5 | 0.14 | Windows ME |
| 28 | 6 | 0.01 | 1 | 0.03 | Windows XP |
| 29 | 6 | 0.01 | 1 | 0.03 | X11 |
| 30 | 6 | 0.01 | 5 | 0.14 | MSIE 5.5; Windows NT 4.0 |
| 31 | 6 | 0.01 | 3 | 0.08 | +http://fulltext.sblog.cz/ |
| 32 | 5 | 0.01 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 33 | 5 | 0.01 | 1 | 0.03 | +http://www.semrush.com/bot.html |
| 34 | 5 | 0.01 | 5 | 0.14 | +http://domainsigma.com/robot |
| 35 | 4 | 0.01 | 1 | 0.03 | +http://www.warebay.com/bot.html |
| 36 | 4 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 37 | 3 | 0.01 | 3 | 0.08 | Windows 2000 |
| 38 | 3 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 39 | 3 | 0.01 | 1 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 40 | 3 | 0.01 | 3 | 0.08 | ) - BrowseX (2.0.0 Windows |
| 41 | 2 | 0.00 | 0 | 0.00 | Android |
| 42 | 2 | 0.00 | 1 | 0.03 | +http://www.seograph.net/bot.html |
| 43 | 2 | 0.00 | 0 | 0.00 | Windows 92 |
| 44 | 2 | 0.00 | 1 | 0.03 | +info@netcraft.com |
| 45 | 1 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 46 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 47 | 1 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 48 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |