| Used Operating Systems |
| 1 | 15904 | 50.43 | 151 | 4.14 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 8075 | 25.60 | 1823 | 50.00 | Windows NT |
| 3 | 1891 | 6.00 | 305 | 8.37 | +http://www.baidu.com/search/spider.html |
| 4 | 1818 | 5.76 | 555 | 15.22 | +http://www.google.com/bot.html |
| 5 | 1763 | 5.59 | 429 | 11.77 | +http://www.bing.com/bingbot.htm |
| 6 | 481 | 1.53 | 10 | 0.27 | +http://www.findxbot.com |
| 7 | 474 | 1.50 | 87 | 2.39 | +http://yandex.com/bots |
| 8 | 294 | 0.93 | 42 | 1.15 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 206 | 0.65 | 67 | 1.84 | +http://www.linkdex.com/bots/ |
| 10 | 94 | 0.30 | 5 | 0.14 | Linux i686 [unknown version] |
| 11 | 90 | 0.29 | 34 | 0.93 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 65 | 0.21 | 17 | 0.47 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 51 | 0.16 | 12 | 0.33 | +http://www.exabot.com/go/robot |
| 14 | 40 | 0.13 | 0 | 0.00 | +http://indonesiancoder.com |
| 15 | 32 | 0.10 | 11 | 0.30 | +http://ahrefs.com/robot/ |
| 16 | 32 | 0.10 | 14 | 0.38 | +http://help.coccoc.com/ |
| 17 | 24 | 0.08 | 10 | 0.27 | +http://duckduckgo.com |
| 18 | 20 | 0.06 | 10 | 0.27 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 18 | 0.06 | 7 | 0.19 | Windows 95 |
| 20 | 18 | 0.06 | 4 | 0.11 | Windows 98 |
| 21 | 15 | 0.05 | 5 | 0.14 | +http://www.semrush.com/bot.html |
| 22 | 14 | 0.04 | 8 | 0.22 | Linux [unknown version] |
| 23 | 12 | 0.04 | 4 | 0.11 | +http://OpenLinkProfiler.org/bot |
| 24 | 10 | 0.03 | 3 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 25 | 9 | 0.03 | 3 | 0.08 | +https://www.lipperhey.com/en/about/ |
| 26 | 9 | 0.03 | 2 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 27 | 7 | 0.02 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 28 | 6 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 29 | 6 | 0.02 | 6 | 0.16 | +http://www.parsijoo.ir/; ehsanmousa@par... |
| 30 | 6 | 0.02 | 1 | 0.03 | +http://webmeup-crawler.com/ |
| 31 | 6 | 0.02 | 2 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 32 | 5 | 0.02 | 0 | 0.00 | +https://www.mojeek.com/bot.html |
| 33 | 5 | 0.02 | 2 | 0.05 | +info@netcraft.com |
| 34 | 5 | 0.02 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 35 | 4 | 0.01 | 2 | 0.05 | Auto; Windows |
| 36 | 3 | 0.01 | 1 | 0.03 | Windows CE |
| 37 | 3 | 0.01 | 3 | 0.08 | +http://pmoz.info/doc/botinfo.htm |
| 38 | 3 | 0.01 | 1 | 0.03 | +http://www.wmtips.com/tools/ |
| 39 | 2 | 0.01 | 1 | 0.03 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 40 | 2 | 0.01 | 1 | 0.03 | +http://www.seograph.net/bot.html |
| 41 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 42 | 2 | 0.01 | 1 | 0.03 | http://webagent.wise-guys.nl/ |
| 43 | 2 | 0.01 | 1 | 0.03 | Windows ME |
| 44 | 2 | 0.01 | 1 | 0.03 | +http://www.idmarch.org/bot.html |
| 45 | 2 | 0.01 | 2 | 0.05 | +http://webdirpro.net |
| 46 | 1 | 0.00 | 1 | 0.03 | Win32 |
| 47 | 1 | 0.00 | 0 | 0.00 | http://drive.google.com |
| 48 | 1 | 0.00 | 1 | 0.03 | http://nmap.org/book/nse.html |
| 49 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 50 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 51 | 1 | 0.00 | 1 | 0.03 | X11 |
