| Used Operating Systems |
| 1 | 2640 | 28.21 | 1246 | 35.69 | Windows NT |
| 2 | 1118 | 11.95 | 75 | 2.15 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 884 | 9.45 | 427 | 12.23 | +http://www.bing.com/bingbot.htm |
| 4 | 679 | 7.26 | 109 | 3.12 | +http://yandex.com/bots |
| 5 | 651 | 6.96 | 388 | 11.11 | +http://www.google.com/bot.html |
| 6 | 514 | 5.49 | 492 | 14.09 | +http://www.baidu.com/search/spider.html |
| 7 | 456 | 4.87 | 2 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 8 | 446 | 4.77 | 110 | 3.15 | +http://www.semrush.com/bot.html |
| 9 | 379 | 4.05 | 251 | 7.19 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 255 | 2.72 | 95 | 2.72 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 227 | 2.43 | 1 | 0.03 | +http://megaindex.com/crawler |
| 12 | 224 | 2.39 | 1 | 0.03 | +http://webmeup-crawler.com/ |
| 13 | 159 | 1.70 | 4 | 0.11 | +http://fulltext.sblog.cz/ |
| 14 | 117 | 1.25 | 13 | 0.37 | http://www.searchmetrics.com/en/searchme... |
| 15 | 103 | 1.10 | 34 | 0.97 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 100 | 1.07 | 50 | 1.43 | +http://www.linkdex.com/bots/ |
| 17 | 57 | 0.61 | 39 | 1.12 | Windows 95 |
| 18 | 54 | 0.58 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 19 | 41 | 0.44 | 23 | 0.66 | +http://ahrefs.com/robot/ |
| 20 | 40 | 0.43 | 19 | 0.54 | Windows 98 |
| 21 | 16 | 0.17 | 2 | 0.06 | crawler@mixrank.com |
| 22 | 16 | 0.17 | 10 | 0.29 | +http://www.exabot.com/go/robot |
| 23 | 15 | 0.16 | 10 | 0.29 | Windows CE |
| 24 | 15 | 0.16 | 1 | 0.03 | Android |
| 25 | 15 | 0.16 | 8 | 0.23 | Windows 3.1 |
| 26 | 14 | 0.15 | 8 | 0.23 | MSIE 5.5; Windows NT 5.0 |
| 27 | 14 | 0.15 | 11 | 0.32 | ) - BrowseX (2.0.0 Windows |
| 28 | 12 | 0.13 | 8 | 0.23 | Windows ME |
| 29 | 12 | 0.13 | 6 | 0.17 | +http://duckduckgo.com |
| 30 | 11 | 0.12 | 2 | 0.06 | +http://www.findxbot.com |
| 31 | 10 | 0.11 | 6 | 0.17 | Auto; Windows |
| 32 | 10 | 0.11 | 5 | 0.14 | +http://www.meanpath.com/meanpathbot.htm... |
| 33 | 9 | 0.10 | 8 | 0.23 | Windows 2000 |
| 34 | 9 | 0.10 | 1 | 0.03 | Windows XP |
| 35 | 8 | 0.09 | 8 | 0.23 | Linux i686 [unknown version] |
| 36 | 6 | 0.06 | 1 | 0.03 | Linux [unknown version] |
| 37 | 6 | 0.06 | 6 | 0.17 | MSIE 5.5; Windows NT 4.0 |
| 38 | 6 | 0.06 | 6 | 0.17 | +http://domainsigma.com/robot |
| 39 | 3 | 0.03 | 1 | 0.03 | +http://gimmeusa-update.com/crawler |
| 40 | 2 | 0.02 | 1 | 0.03 | +info@netcraft.com |
| 41 | 1 | 0.01 | 1 | 0.03 | +http://www.seograph.net/bot.html |
| 42 | 1 | 0.01 | 0 | 0.00 | J2ME/MIDP |
| 43 | 1 | 0.01 | 1 | 0.03 | http://nmap.org/book/nse.html |
| 44 | 1 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 45 | 1 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 46 | 1 | 0.01 | 1 | 0.03 | PPC Mac OS X Mach-O |
