| Used Operating Systems |
| 1 | 45785 | 82.37 | 321 | 9.07 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3820 | 6.87 | 1477 | 41.73 | Windows NT |
| 3 | 1271 | 2.29 | 716 | 20.23 | +http://www.baidu.com/search/spider.html |
| 4 | 1100 | 1.98 | 4 | 0.11 | +http://OpenLinkProfiler.org/bot |
| 5 | 1048 | 1.89 | 291 | 8.22 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 6 | 582 | 1.05 | 143 | 4.04 | +http://www.google.com/bot.html |
| 7 | 491 | 0.88 | 145 | 4.10 | +http://ahrefs.com/robot/ |
| 8 | 349 | 0.63 | 11 | 0.31 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 276 | 0.50 | 65 | 1.84 | +http://yandex.com/bots |
| 10 | 192 | 0.35 | 64 | 1.81 | +http://www.linkdex.com/bots/ |
| 11 | 156 | 0.28 | 18 | 0.51 | +http://www.bing.com/bingbot.htm |
| 12 | 110 | 0.20 | 47 | 1.33 | +http://www.exabot.com/go/robot |
| 13 | 100 | 0.18 | 32 | 0.90 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 64 | 0.12 | 54 | 1.53 | Windows 95 |
| 15 | 49 | 0.09 | 17 | 0.48 | Windows 98 |
| 16 | 16 | 0.03 | 8 | 0.23 | +http://www.meanpath.com/meanpathbot.htm... |
| 17 | 14 | 0.03 | 7 | 0.20 | support.orangebot@orange.com |
| 18 | 14 | 0.03 | 6 | 0.17 | Windows XP |
| 19 | 14 | 0.03 | 13 | 0.37 | MSIE 5.5; Windows NT 4.0 |
| 20 | 12 | 0.02 | 1 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 21 | 11 | 0.02 | 10 | 0.28 | MSIE 5.5; Windows NT 5.0 |
| 22 | 10 | 0.02 | 9 | 0.25 | Windows CE |
| 23 | 10 | 0.02 | 10 | 0.28 | +http://domainsigma.com/robot |
| 24 | 9 | 0.02 | 7 | 0.20 | Windows 2000 |
| 25 | 9 | 0.02 | 9 | 0.25 | Windows ME |
| 26 | 8 | 0.01 | 7 | 0.20 | Auto; Windows |
| 27 | 8 | 0.01 | 4 | 0.11 | +http://www.findxbot.com |
| 28 | 7 | 0.01 | 5 | 0.14 | Windows 3.1 |
| 29 | 7 | 0.01 | 7 | 0.20 | Linux i586 [unknown version] |
| 30 | 6 | 0.01 | 3 | 0.08 | +http://www.semrush.com/bot.html |
| 31 | 5 | 0.01 | 5 | 0.14 | ) - BrowseX (2.0.0 Windows |
| 32 | 4 | 0.01 | 2 | 0.06 | +http://gimmeusa-update.com/crawler |
| 33 | 4 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 34 | 4 | 0.01 | 4 | 0.11 | Linux [unknown version] |
| 35 | 4 | 0.01 | 4 | 0.11 | Linux i686 [unknown version] |
| 36 | 4 | 0.01 | 3 | 0.08 | X11 |
| 37 | 3 | 0.01 | 1 | 0.03 | +http://webmeup-crawler.com/ |
| 38 | 2 | 0.00 | 2 | 0.06 | +http://www.seograph.net/bot.html |
| 39 | 2 | 0.00 | 2 | 0.06 | PPC Mac OS X Mach-O |
| 40 | 2 | 0.00 | 2 | 0.06 | FreeBSD [unknown version] |
| 41 | 2 | 0.00 | 2 | 0.06 | Android 2.3.5 |
| 42 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 43 | 1 | 0.00 | 1 | 0.03 | +http://www.wmtips.com/tools/ |
