| Used Operating Systems |
| 1 | 8645 | 35.59 | 91 | 2.09 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2743 | 11.29 | 757 | 17.41 | +http://www.google.com/bot.html |
| 3 | 2315 | 9.53 | 1732 | 39.83 | +http://www.baidu.com/search/spider.html |
| 4 | 2307 | 9.50 | 271 | 6.23 | +http://www.bing.com/bingbot.htm |
| 5 | 1447 | 5.96 | 425 | 9.77 | Windows NT |
| 6 | 1256 | 5.17 | 191 | 4.39 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 1174 | 4.83 | 321 | 7.38 | +http://yandex.com/bots |
| 8 | 933 | 3.84 | 114 | 2.62 | +http://www.semrush.com/bot.html |
| 9 | 888 | 3.66 | 3 | 0.07 | +http://megaindex.com/crawler |
| 10 | 632 | 2.60 | 3 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 11 | 462 | 1.90 | 87 | 2.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 336 | 1.38 | 2 | 0.05 | +http://www.findxbot.com |
| 13 | 311 | 1.28 | 103 | 2.37 | +http://www.linkdex.com/bots/ |
| 14 | 200 | 0.82 | 49 | 1.13 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 168 | 0.69 | 1 | 0.02 | Linux i686 [unknown version] |
| 16 | 88 | 0.36 | 85 | 1.95 | +http://www.xovibot.net/ |
| 17 | 66 | 0.27 | 2 | 0.05 | +http://webmeup-crawler.com/ |
| 18 | 53 | 0.22 | 15 | 0.34 | http://www.botje.com/plukkie.htm |
| 19 | 47 | 0.19 | 3 | 0.07 | +https://www.lipperhey.com/en/about/ |
| 20 | 39 | 0.16 | 10 | 0.23 | +http://ahrefs.com/robot/ |
| 21 | 34 | 0.14 | 22 | 0.51 | Windows 95 |
| 22 | 20 | 0.08 | 10 | 0.23 | Windows 98 |
| 23 | 19 | 0.08 | 6 | 0.14 | Windows XP |
| 24 | 16 | 0.07 | 2 | 0.05 | +http://fulltext.sblog.cz/ |
| 25 | 13 | 0.05 | 1 | 0.02 | crawler@mixrank.com |
| 26 | 8 | 0.03 | 4 | 0.09 | Windows 3.1 |
| 27 | 8 | 0.03 | 4 | 0.09 | MSIE 5.5; Windows NT 4.0 |
| 28 | 8 | 0.03 | 4 | 0.09 | +http://www.meanpath.com/meanpathbot.htm... |
| 29 | 7 | 0.03 | 1 | 0.02 | http://filterdb.iss.net/crawler/ |
| 30 | 6 | 0.02 | 2 | 0.05 | +http://www.exabot.com/go/robot |
| 31 | 6 | 0.02 | 3 | 0.07 | +http://duckduckgo.com |
| 32 | 5 | 0.02 | 4 | 0.09 | ) - BrowseX (2.0.0 Windows |
| 33 | 4 | 0.02 | 2 | 0.05 | Windows 2000 |
| 34 | 3 | 0.01 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 35 | 3 | 0.01 | 3 | 0.07 | Windows ME |
| 36 | 2 | 0.01 | 1 | 0.02 | support.orangebot@orange.com |
| 37 | 2 | 0.01 | 2 | 0.05 | Auto; Windows |
| 38 | 2 | 0.01 | 2 | 0.05 | +http://www.privacyaware.org |
| 39 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 40 | 2 | 0.01 | 2 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 41 | 1 | 0.00 | 1 | 0.02 | Windows CE |
| 42 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 43 | 1 | 0.00 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 44 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 45 | 1 | 0.00 | 1 | 0.02 | +https://www.wslta.com/WoTBoT.html |
| 46 | 1 | 0.00 | 1 | 0.02 | X11 |
| 47 | 1 | 0.00 | 1 | 0.02 | +http://www.uptime.com/uptimebot |
| 48 | 1 | 0.00 | 1 | 0.02 | Android 2.3.5 |
