| Used Operating Systems |
| 1 | 86925 | 45.39 | 276 | 3.41 | http://www.opensiteexplorer.org/dotbot, ... |
| 2 | 65180 | 34.03 | 623 | 7.70 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 9956 | 5.20 | 2349 | 29.02 | Windows NT |
| 4 | 7036 | 3.67 | 412 | 5.09 | +http://yandex.com/bots |
| 5 | 4958 | 2.59 | 1519 | 18.76 | +http://www.bing.com/bingbot.htm |
| 6 | 4057 | 2.12 | 1386 | 17.12 | +http://www.google.com/bot.html |
| 7 | 2861 | 1.49 | 3 | 0.04 | crawler@goodzer.com |
| 8 | 2581 | 1.35 | 20 | 0.25 | +http://OpenLinkProfiler.org/bot |
| 9 | 1461 | 0.76 | 246 | 3.04 | +http://www.semrush.com/bot.html |
| 10 | 1444 | 0.75 | 8 | 0.10 | +http://www.baidu.com/search/spider.html |
| 11 | 1141 | 0.60 | 405 | 5.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 960 | 0.50 | 24 | 0.30 | +http://www.findxbot.com |
| 13 | 500 | 0.26 | 236 | 2.92 | +http://ahrefs.com/robot/ |
| 14 | 402 | 0.21 | 2 | 0.02 | +http://megaindex.com/crawler |
| 15 | 320 | 0.17 | 90 | 1.11 | +http://www.linkdex.com/bots/ |
| 16 | 294 | 0.15 | 21 | 0.26 | +http://fulltext.sblog.cz/ |
| 17 | 288 | 0.15 | 14 | 0.17 | +https://www.aihitdata.com/about |
| 18 | 122 | 0.06 | 57 | 0.70 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 104 | 0.05 | 30 | 0.37 | Windows 98 |
| 20 | 101 | 0.05 | 49 | 0.61 | +http://www.exabot.com/go/robot |
| 21 | 98 | 0.05 | 2 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 22 | 98 | 0.05 | 56 | 0.69 | Windows 95 |
| 23 | 86 | 0.04 | 40 | 0.49 | +http://duckduckgo.com |
| 24 | 74 | 0.04 | 2 | 0.02 | +http://webmeup-crawler.com/ |
| 25 | 65 | 0.03 | 24 | 0.30 | Linux i686 [unknown version] |
| 26 | 40 | 0.02 | 6 | 0.07 | http://filterdb.iss.net/crawler/ |
| 27 | 35 | 0.02 | 32 | 0.40 | +http://domainsigma.com/robot |
| 28 | 32 | 0.02 | 4 | 0.05 | +http://www.profound.net/domainappender |
| 29 | 29 | 0.02 | 11 | 0.14 | +https://www.mojeek.com/bot.html |
| 30 | 28 | 0.01 | 4 | 0.05 | +http://siteexplorer.info/ |
| 31 | 26 | 0.01 | 12 | 0.15 | Windows CE |
| 32 | 26 | 0.01 | 15 | 0.19 | ) - BrowseX (2.0.0 Windows |
| 33 | 24 | 0.01 | 16 | 0.20 | Auto; Windows |
| 34 | 23 | 0.01 | 11 | 0.14 | Windows ME |
| 35 | 18 | 0.01 | 11 | 0.14 | MSIE 5.5; Windows NT 4.0 |
| 36 | 16 | 0.01 | 11 | 0.14 | Windows 2000 |
| 37 | 16 | 0.01 | 11 | 0.14 | Windows 3.1 |
| 38 | 13 | 0.01 | 11 | 0.14 | +info@netcraft.com |
| 39 | 13 | 0.01 | 8 | 0.10 | +http://www.grapeshot.co.uk/crawler.php |
| 40 | 10 | 0.01 | 4 | 0.05 | X11 |
| 41 | 9 | 0.00 | 9 | 0.11 | +http://www.domaintuno.com/robot |
| 42 | 9 | 0.00 | 3 | 0.04 | Android 2.3.5 |
| 43 | 6 | 0.00 | 0 | 0.00 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 44 | 6 | 0.00 | 5 | 0.06 | Linux [unknown version] |
| 45 | 6 | 0.00 | 3 | 0.04 | Windows XP |
| 46 | 6 | 0.00 | 6 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 47 | 5 | 0.00 | 1 | 0.01 | WinHttp.WinHttpRequest.5 |
| 48 | 4 | 0.00 | 2 | 0.02 | +http://prlog.ru/ |
| 49 | 2 | 0.00 | 0 | 0.00 | documents; +http://docs.google.com |
| 50 | 2 | 0.00 | 2 | 0.02 | OpenBSD [unknown version] |
| 51 | 2 | 0.00 | 0 | 0.00 | http://nmap.org/book/nse.html |
| 52 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 53 | 2 | 0.00 | 0 | 0.00 | +http://www.xovibot.net/ |
| 54 | 1 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 55 | 1 | 0.00 | 1 | 0.01 | crawler@mixrank.com |
| 56 | 1 | 0.00 | 1 | 0.01 | +http://www.seograph.net/bot.html |
| 57 | 1 | 0.00 | 1 | 0.01 | PPC Mac OS X Mach-O |
| 58 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
