| Used Operating Systems |
| 1 | 3510 | 47.10 | 1408 | 37.37 | Windows NT |
| 2 | 1677 | 22.50 | 1553 | 41.22 | +http://www.baidu.com/search/spider.html |
| 3 | 962 | 12.91 | 254 | 6.74 | +http://www.bing.com/bingbot.htm |
| 4 | 521 | 6.99 | 315 | 8.36 | +http://www.google.com/bot.html |
| 5 | 214 | 2.87 | 72 | 1.91 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 111 | 1.49 | 40 | 1.06 | +http://yandex.com/bots |
| 7 | 86 | 1.15 | 4 | 0.11 | Windows 98 |
| 8 | 56 | 0.75 | 20 | 0.53 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 41 | 0.55 | 6 | 0.16 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 25 | 0.34 | 4 | 0.11 | +http://ahrefs.com/robot/ |
| 11 | 21 | 0.28 | 9 | 0.24 | +http://help.coccoc.com/ |
| 12 | 20 | 0.27 | 9 | 0.24 | +http://duckduckgo.com |
| 13 | 19 | 0.25 | 12 | 0.32 | Windows 95 |
| 14 | 18 | 0.24 | 7 | 0.19 | X11 |
| 15 | 16 | 0.21 | 2 | 0.05 | +http://webmeup-crawler.com/ |
| 16 | 16 | 0.21 | 2 | 0.05 | +http://fulltext.sblog.cz/ |
| 17 | 15 | 0.20 | 5 | 0.13 | Windows XP |
| 18 | 12 | 0.16 | 3 | 0.08 | +http://help.naver.com/robots/ |
| 19 | 11 | 0.15 | 4 | 0.11 | Windows 3.1 |
| 20 | 11 | 0.15 | 6 | 0.16 | MSIE 5.5; Windows NT 4.0 |
| 21 | 10 | 0.13 | 1 | 0.03 | +http://import.io |
| 22 | 8 | 0.11 | 2 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 23 | 8 | 0.11 | 4 | 0.11 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 7 | 0.09 | 1 | 0.03 | +http://www.findxbot.com |
| 25 | 6 | 0.08 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 26 | 5 | 0.07 | 3 | 0.08 | Windows 2000 |
| 27 | 5 | 0.07 | 3 | 0.08 | http://nmap.org/book/nse.html |
| 28 | 5 | 0.07 | 0 | 0.00 | Linux [unknown version] |
| 29 | 5 | 0.07 | 3 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 30 | 4 | 0.05 | 0 | 0.00 | documents; +http://docs.google.com |
| 31 | 4 | 0.05 | 3 | 0.08 | Windows CE |
| 32 | 4 | 0.05 | 1 | 0.03 | Android 2.3.5 |
| 33 | 4 | 0.05 | 1 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 34 | 2 | 0.03 | 1 | 0.03 | http://www.botje.com/plukkie.htm |
| 35 | 2 | 0.03 | 1 | 0.03 | +info@netcraft.com |
| 36 | 2 | 0.03 | 2 | 0.05 | +http://www.uptime.com/uptimebot |
| 37 | 2 | 0.03 | 2 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 38 | 2 | 0.03 | 1 | 0.03 | +http://www.exabot.com/go/robot |
| 39 | 1 | 0.01 | 1 | 0.03 | Auto; Windows |
| 40 | 1 | 0.01 | 1 | 0.03 | Windows ME |
| 41 | 1 | 0.01 | 1 | 0.03 | Linux i686 [unknown version] |
| 42 | 1 | 0.01 | 1 | 0.03 | +http://www.privacyaware.org |
| 43 | 1 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
