| Used Operating Systems |
| 1 | 14276 | 66.10 | 139 | 3.10 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3066 | 14.20 | 2645 | 59.04 | +http://www.baidu.com/search/spider.html |
| 3 | 2366 | 10.96 | 862 | 19.24 | Windows NT |
| 4 | 374 | 1.73 | 142 | 3.17 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 5 | 327 | 1.51 | 159 | 3.55 | +http://www.bing.com/bingbot.htm |
| 6 | 324 | 1.50 | 123 | 2.75 | +http://www.google.com/bot.html |
| 7 | 260 | 1.20 | 84 | 1.88 | +http://www.linkdex.com/bots/ |
| 8 | 100 | 0.46 | 90 | 2.01 | Windows 95 |
| 9 | 79 | 0.37 | 31 | 0.69 | Windows 98 |
| 10 | 71 | 0.33 | 18 | 0.40 | +http://yandex.com/bots |
| 11 | 45 | 0.21 | 1 | 0.02 | +http://www.warebay.com/bot.html |
| 12 | 29 | 0.13 | 23 | 0.51 | MSIE 5.5; Windows NT 4.0 |
| 13 | 25 | 0.12 | 20 | 0.45 | Windows ME |
| 14 | 24 | 0.11 | 21 | 0.47 | Windows CE |
| 15 | 22 | 0.10 | 11 | 0.25 | http://www.opensiteexplorer.org/dotbot, ... |
| 16 | 22 | 0.10 | 4 | 0.09 | Windows XP |
| 17 | 20 | 0.09 | 16 | 0.36 | Auto; Windows |
| 18 | 18 | 0.08 | 16 | 0.36 | MSIE 5.5; Windows NT 5.0 |
| 19 | 16 | 0.07 | 15 | 0.33 | Windows 3.1 |
| 20 | 15 | 0.07 | 13 | 0.29 | ) - BrowseX (2.0.0 Windows |
| 21 | 14 | 0.06 | 14 | 0.31 | Windows 2000 |
| 22 | 14 | 0.06 | 2 | 0.04 | http://filterdb.iss.net/crawler/ |
| 23 | 14 | 0.06 | 7 | 0.16 | +http://www.exabot.com/go/robot |
| 24 | 12 | 0.06 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 25 | 9 | 0.04 | 3 | 0.07 | http://help.yahoo.com/help/us/ysearch/sl... |
| 26 | 8 | 0.04 | 0 | 0.00 | Android |
| 27 | 6 | 0.03 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 28 | 6 | 0.03 | 4 | 0.09 | +http://ahrefs.com/robot/ |
| 29 | 5 | 0.02 | 2 | 0.04 | +http://www.semrush.com/bot.html |
| 30 | 5 | 0.02 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 31 | 4 | 0.02 | 2 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 32 | 4 | 0.02 | 2 | 0.04 | +http://duckduckgo.com |
| 33 | 3 | 0.01 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 34 | 3 | 0.01 | 3 | 0.07 | +http://domainsigma.com/robot |
| 35 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 36 | 2 | 0.01 | 1 | 0.02 | +http://fulltext.sblog.cz/ |
| 37 | 1 | 0.00 | 1 | 0.02 | crawler@mixrank.com |
| 38 | 1 | 0.00 | 1 | 0.02 | Linux [unknown version] |
| 39 | 1 | 0.00 | 0 | 0.00 | http://drive.google.com |
| 40 | 1 | 0.00 | 1 | 0.02 | +http://megaindex.com/crawler |
| 41 | 1 | 0.00 | 0 | 0.00 | X11 |
| 42 | 1 | 0.00 | 0 | 0.00 | Windows 9x |
| 43 | 1 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
