| Used Operating Systems |
| 1 | 7761 | 34.79 | 165 | 2.70 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 6187 | 27.74 | 2211 | 36.19 | Windows NT |
| 3 | 2654 | 11.90 | 2162 | 35.38 | +http://www.baidu.com/search/spider.html |
| 4 | 2624 | 11.76 | 759 | 12.42 | +http://www.google.com/bot.html |
| 5 | 1024 | 4.59 | 420 | 6.87 | +http://www.bing.com/bingbot.htm |
| 6 | 766 | 3.43 | 52 | 0.85 | Windows 98 |
| 7 | 202 | 0.91 | 27 | 0.44 | +http://yandex.com/bots |
| 8 | 200 | 0.90 | 64 | 1.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 187 | 0.84 | 67 | 1.10 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 95 | 0.43 | 36 | 0.59 | +http://www.linkdex.com/bots/ |
| 11 | 90 | 0.40 | 6 | 0.10 | http://www.searchmetrics.com/en/searchme... |
| 12 | 80 | 0.36 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 13 | 76 | 0.34 | 18 | 0.29 | +http://www.easou.com/search/spider.html |
| 14 | 64 | 0.29 | 2 | 0.03 | +http://endb-consolidated.aihit.com/ |
| 15 | 50 | 0.22 | 29 | 0.47 | +http://ahrefs.com/robot/ |
| 16 | 46 | 0.21 | 17 | 0.28 | +http://fulltext.sblog.cz/ |
| 17 | 42 | 0.19 | 16 | 0.26 | +http://www.exabot.com/go/robot |
| 18 | 24 | 0.11 | 1 | 0.02 | +http://www.linkpad.ru |
| 19 | 21 | 0.09 | 7 | 0.11 | X11 |
| 20 | 14 | 0.06 | 6 | 0.10 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 21 | 11 | 0.05 | 1 | 0.02 | +http://www.profound.net/urlappendbot.ht... |
| 22 | 11 | 0.05 | 3 | 0.05 | +http://siteexplorer.info/ |
| 23 | 10 | 0.04 | 4 | 0.07 | +http://gimme60.com |
| 24 | 8 | 0.04 | 5 | 0.08 | Android 2.3.5 |
| 25 | 8 | 0.04 | 8 | 0.13 | +http://wmaid.com/explore/ |
| 26 | 6 | 0.03 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 27 | 5 | 0.02 | 1 | 0.02 | +http://p4load.com/ |
| 28 | 4 | 0.02 | 1 | 0.02 | Macintosh PPC |
| 29 | 4 | 0.02 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 30 | 4 | 0.02 | 1 | 0.02 | PPC Mac OS X Mach-O |
| 31 | 3 | 0.01 | 3 | 0.05 | Linux i686 [unknown version] |
| 32 | 3 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 33 | 3 | 0.01 | 3 | 0.05 | +http://www.loadtime.net/bot.html |
| 34 | 3 | 0.01 | 1 | 0.02 | +http://www.semrush.com/bot.html |
| 35 | 3 | 0.01 | 1 | 0.02 | +http://freedlf.com/ |
| 36 | 2 | 0.01 | 2 | 0.03 | Linux [unknown version] |
| 37 | 2 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 38 | 2 | 0.01 | 0 | 0.00 | AOL 9.7; AOLBuild 4343.27; Windows NT 5.... |
| 39 | 2 | 0.01 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 40 | 1 | 0.00 | 1 | 0.02 | Windows 2000 |
| 41 | 1 | 0.00 | 1 | 0.02 | +http://136.186.231.16 |
| 42 | 1 | 0.00 | 1 | 0.02 | +http://www.infohelfer.de/crawler.php |
| 43 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.4 |
| 44 | 1 | 0.00 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 45 | 1 | 0.00 | 1 | 0.02 | Windows ME |
