| Used Operating Systems |
| 1 | 9325 | 46.59 | 4119 | 53.56 | Windows NT |
| 2 | 4806 | 24.01 | 59 | 0.77 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1701 | 8.50 | 1641 | 21.34 | +http://www.baidu.com/search/spider.html |
| 4 | 1204 | 6.02 | 134 | 1.74 | +http://yandex.com/bots |
| 5 | 599 | 2.99 | 284 | 3.69 | +http://ahrefs.com/robot/ |
| 6 | 535 | 2.67 | 306 | 3.98 | +http://www.google.com/bot.html |
| 7 | 399 | 1.99 | 310 | 4.03 | Windows 95 |
| 8 | 327 | 1.63 | 194 | 2.52 | +http://www.bing.com/bingbot.htm |
| 9 | 238 | 1.19 | 29 | 0.38 | Windows 98 |
| 10 | 78 | 0.39 | 68 | 0.88 | Auto; Windows |
| 11 | 78 | 0.39 | 29 | 0.38 | +http://www.linkdex.com/bots/ |
| 12 | 76 | 0.38 | 70 | 0.91 | Windows CE |
| 13 | 76 | 0.38 | 69 | 0.90 | ) - BrowseX (2.0.0 Windows |
| 14 | 73 | 0.36 | 60 | 0.78 | Windows ME |
| 15 | 69 | 0.34 | 63 | 0.82 | Windows 2000 |
| 16 | 68 | 0.34 | 57 | 0.74 | Windows 3.1 |
| 17 | 65 | 0.32 | 58 | 0.75 | MSIE 5.5; Windows NT 4.0 |
| 18 | 60 | 0.30 | 1 | 0.01 | Windows XP |
| 19 | 58 | 0.29 | 55 | 0.72 | MSIE 5.5; Windows NT 5.0 |
| 20 | 25 | 0.12 | 16 | 0.21 | X11 |
| 21 | 14 | 0.07 | 6 | 0.08 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 22 | 14 | 0.07 | 7 | 0.09 | http://www.opensiteexplorer.org/dotbot, ... |
| 23 | 14 | 0.07 | 7 | 0.09 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 10 | 0.05 | 4 | 0.05 | Android 2.3.5 |
| 25 | 9 | 0.04 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 26 | 8 | 0.04 | 2 | 0.03 | http://www.lipperhey.com/ |
| 27 | 8 | 0.04 | 2 | 0.03 | +http://mercedes-w123.net |
| 28 | 8 | 0.04 | 2 | 0.03 | +http://medialine-it.com |
| 29 | 7 | 0.03 | 2 | 0.03 | +http://isdownload.biz |
| 30 | 6 | 0.03 | 2 | 0.03 | http://help.yahoo.com/help/us/ysearch/sl... |
| 31 | 6 | 0.03 | 2 | 0.03 | +http://www.aihitdata.com/about |
| 32 | 6 | 0.03 | 6 | 0.08 | +http://domainsigma.com/robot |
| 33 | 5 | 0.02 | 5 | 0.07 | +http://www.domaintuno.com/robot |
| 34 | 5 | 0.02 | 4 | 0.05 | +info@netcraft.com |
| 35 | 4 | 0.02 | 1 | 0.01 | +http://getdownload.ws |
| 36 | 4 | 0.02 | 1 | 0.01 | +http://downloadmine.biz |
| 37 | 4 | 0.02 | 2 | 0.03 | http://crawler.sistrix.net/ |
| 38 | 4 | 0.02 | 1 | 0.01 | +http://trumpetsheetmusic.org |
| 39 | 4 | 0.02 | 1 | 0.01 | +http://t2downloads.xyz |
| 40 | 4 | 0.02 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 41 | 3 | 0.01 | 3 | 0.04 | +http://www.grapeshot.co.uk/crawler.php |
| 42 | 2 | 0.01 | 2 | 0.03 | +http://fb02itsscan.fh-muenster.de |
| 43 | 2 | 0.01 | 2 | 0.03 | Linux i686 [unknown version] |
| 44 | 2 | 0.01 | 1 | 0.01 | +http://duckduckgo.com |
| 45 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 46 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
