| Used Operating Systems |
| 1 | 14765 | 64.67 | 220 | 5.56 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2593 | 11.36 | 2132 | 53.92 | +http://www.baidu.com/search/spider.html |
| 3 | 1198 | 5.25 | 323 | 8.17 | Windows NT |
| 4 | 1086 | 4.76 | 243 | 6.15 | +http://www.google.com/bot.html |
| 5 | 1041 | 4.56 | 322 | 8.14 | +http://www.bing.com/bingbot.htm |
| 6 | 529 | 2.32 | 189 | 4.78 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 384 | 1.68 | 88 | 2.23 | +http://www.linkdex.com/bots/ |
| 8 | 192 | 0.84 | 174 | 4.40 | +http://www.xovibot.net/ |
| 9 | 188 | 0.82 | 26 | 0.66 | +http://yandex.com/bots |
| 10 | 169 | 0.74 | 76 | 1.92 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 150 | 0.66 | 36 | 0.91 | +http://fulltext.sblog.cz/ |
| 12 | 142 | 0.62 | 2 | 0.05 | +http://webmeup-crawler.com/ |
| 13 | 82 | 0.36 | 2 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 14 | 48 | 0.21 | 2 | 0.05 | +http://megaindex.com/crawler |
| 15 | 35 | 0.15 | 20 | 0.51 | +http://ahrefs.com/robot/ |
| 16 | 32 | 0.14 | 1 | 0.03 | +https://www.aihitdata.com/about |
| 17 | 31 | 0.14 | 9 | 0.23 | +http://www.semrush.com/bot.html |
| 18 | 27 | 0.12 | 12 | 0.30 | http://www.bing.com/bingbot.htm |
| 19 | 22 | 0.10 | 9 | 0.23 | +http://corp.sputnik.ru/webmaster |
| 20 | 21 | 0.09 | 9 | 0.23 | http://www.botje.com/plukkie.htm |
| 21 | 14 | 0.06 | 8 | 0.20 | Windows 98 |
| 22 | 13 | 0.06 | 12 | 0.30 | Windows 95 |
| 23 | 8 | 0.04 | 4 | 0.10 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 8 | 0.04 | 1 | 0.03 | +http://www.exabot.com/go/robot |
| 25 | 7 | 0.03 | 1 | 0.03 | http://filterdb.iss.net/crawler/ |
| 26 | 6 | 0.03 | 3 | 0.08 | +http://www.findxbot.com |
| 27 | 4 | 0.02 | 4 | 0.10 | Windows CE |
| 28 | 3 | 0.01 | 3 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 29 | 2 | 0.01 | 2 | 0.05 | Auto; Windows |
| 30 | 2 | 0.01 | 0 | 0.00 | Android |
| 31 | 2 | 0.01 | 2 | 0.05 | http://nmap.org/book/nse.html |
| 32 | 2 | 0.01 | 1 | 0.03 | Linux 2.4.x |
| 33 | 2 | 0.01 | 1 | 0.03 | Linux 2.0.x |
| 34 | 2 | 0.01 | 1 | 0.03 | +https://www.mojeek.com/bot.html |
| 35 | 2 | 0.01 | 2 | 0.05 | Windows XP |
| 36 | 2 | 0.01 | 2 | 0.05 | Windows ME |
| 37 | 2 | 0.01 | 2 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 38 | 2 | 0.01 | 2 | 0.05 | Linux i686 [unknown version] |
| 39 | 2 | 0.01 | 1 | 0.03 | Win16 |
| 40 | 2 | 0.01 | 1 | 0.03 | +info@netcraft.com |
| 41 | 2 | 0.01 | 1 | 0.03 | Solaris 7.x |
| 42 | 2 | 0.01 | 1 | 0.03 | +http://duckduckgo.com |
| 43 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 44 | 1 | 0.00 | 1 | 0.03 | +http://www.privacyaware.org |
| 45 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 46 | 1 | 0.00 | 1 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 47 | 1 | 0.00 | 1 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 48 | 1 | 0.00 | 1 | 0.03 | X11 |
