| Used Operating Systems |
| 1 | 12396 | 53.36 | 132 | 2.55 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5431 | 23.38 | 2687 | 51.97 | Windows NT |
| 3 | 948 | 4.08 | 159 | 3.08 | +http://www.bing.com/bingbot.htm |
| 4 | 895 | 3.85 | 823 | 15.92 | +http://www.baidu.com/search/spider.html |
| 5 | 838 | 3.61 | 59 | 1.14 | +http://yandex.com/bots |
| 6 | 502 | 2.16 | 5 | 0.10 | +http://www.warebay.com/bot.html |
| 7 | 484 | 2.08 | 304 | 5.88 | +http://www.google.com/bot.html |
| 8 | 253 | 1.09 | 213 | 4.12 | Windows 95 |
| 9 | 237 | 1.02 | 111 | 2.15 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 208 | 0.90 | 64 | 1.24 | +http://www.linkdex.com/bots/ |
| 11 | 165 | 0.71 | 51 | 0.99 | Windows 98 |
| 12 | 163 | 0.70 | 61 | 1.18 | +http://www.exabot.com/go/robot |
| 13 | 87 | 0.37 | 72 | 1.39 | +http://ahrefs.com/robot/ |
| 14 | 66 | 0.28 | 44 | 0.85 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 55 | 0.24 | 22 | 0.43 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 54 | 0.23 | 51 | 0.99 | Windows 2000 |
| 17 | 54 | 0.23 | 47 | 0.91 | Windows ME |
| 18 | 53 | 0.23 | 45 | 0.87 | MSIE 5.5; Windows NT 5.0 |
| 19 | 50 | 0.22 | 43 | 0.83 | Windows CE |
| 20 | 50 | 0.22 | 41 | 0.79 | MSIE 5.5; Windows NT 4.0 |
| 21 | 44 | 0.19 | 6 | 0.12 | Windows XP |
| 22 | 43 | 0.19 | 37 | 0.72 | ) - BrowseX (2.0.0 Windows |
| 23 | 41 | 0.18 | 29 | 0.56 | Windows 3.1 |
| 24 | 32 | 0.14 | 29 | 0.56 | Auto; Windows |
| 25 | 10 | 0.04 | 5 | 0.10 | +http://www.meanpath.com/meanpathbot.htm... |
| 26 | 8 | 0.03 | 2 | 0.04 | +http://fulltext.sblog.cz/ |
| 27 | 7 | 0.03 | 3 | 0.06 | +http://www.findxbot.com |
| 28 | 6 | 0.03 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 29 | 6 | 0.03 | 0 | 0.00 | Windows 90 |
| 30 | 6 | 0.03 | 3 | 0.06 | +http://duckduckgo.com |
| 31 | 5 | 0.02 | 3 | 0.06 | http://www.bing.com/bingbot.htm |
| 32 | 5 | 0.02 | 1 | 0.02 | +http://www.semrush.com/bot.html |
| 33 | 5 | 0.02 | 5 | 0.10 | +http://domainsigma.com/robot |
| 34 | 3 | 0.01 | 1 | 0.02 | http://www.lipperhey.com/ |
| 35 | 3 | 0.01 | 0 | 0.00 | Android |
| 36 | 3 | 0.01 | 1 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 37 | 3 | 0.01 | 2 | 0.04 | +info@netcraft.com |
| 38 | 3 | 0.01 | 1 | 0.02 | X11 |
| 39 | 3 | 0.01 | 1 | 0.02 | +http://mediaeden.net |
| 40 | 2 | 0.01 | 1 | 0.02 | +http://advbot.org/bot.html |
| 41 | 1 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 42 | 1 | 0.00 | 1 | 0.02 | Linux [unknown version] |
| 43 | 1 | 0.00 | 1 | 0.02 | +; |
| 44 | 1 | 0.00 | 1 | 0.02 | +http://www.xovibot.net/ |
| 45 | 1 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
