| Used Operating Systems |
| 1 | 10338 | 73.28 | 1507 | 62.38 | Windows NT |
| 2 | 825 | 5.85 | 133 | 5.50 | http://www.opensiteexplorer.org/dotbot, ... |
| 3 | 794 | 5.63 | 31 | 1.28 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 570 | 4.04 | 155 | 6.42 | +http://www.bing.com/bingbot.htm |
| 5 | 410 | 2.91 | 209 | 8.65 | +http://www.google.com/bot.html |
| 6 | 360 | 2.55 | 145 | 6.00 | +http://www.baidu.com/search/spider.html |
| 7 | 125 | 0.89 | 28 | 1.16 | +http://yandex.com/bots |
| 8 | 75 | 0.53 | 29 | 1.20 | +http://www.semrush.com/bot.html |
| 9 | 67 | 0.47 | 35 | 1.45 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 58 | 0.41 | 10 | 0.41 | +http://fulltext.sblog.cz/ |
| 11 | 53 | 0.38 | 2 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 12 | 51 | 0.36 | 14 | 0.58 | Windows 95 |
| 13 | 45 | 0.32 | 3 | 0.12 | http://www.searchmetrics.com/en/searchme... |
| 14 | 37 | 0.26 | 14 | 0.58 | Windows 98 |
| 15 | 34 | 0.24 | 18 | 0.75 | +http://ahrefs.com/robot/ |
| 16 | 26 | 0.18 | 9 | 0.37 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 23 | 0.16 | 2 | 0.08 | X11 |
| 18 | 21 | 0.15 | 7 | 0.29 | +http://help.coccoc.com/ |
| 19 | 21 | 0.15 | 9 | 0.37 | +http://www.exabot.com/go/robot |
| 20 | 18 | 0.13 | 5 | 0.21 | ) - BrowseX (2.0.0 Windows |
| 21 | 17 | 0.12 | 5 | 0.21 | MSIE 5.5; Windows NT 5.0 |
| 22 | 15 | 0.11 | 5 | 0.21 | Auto; Windows |
| 23 | 12 | 0.09 | 6 | 0.25 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 11 | 0.08 | 1 | 0.04 | Android 2.3.5 |
| 25 | 10 | 0.07 | 0 | 0.00 | Linux [unknown version] |
| 26 | 10 | 0.07 | 3 | 0.12 | Windows ME |
| 27 | 9 | 0.06 | 3 | 0.12 | Windows 2000 |
| 28 | 9 | 0.06 | 3 | 0.12 | Windows CE |
| 29 | 9 | 0.06 | 3 | 0.12 | Windows 3.1 |
| 30 | 7 | 0.05 | 3 | 0.12 | +http://www.linkdex.com/bots/ |
| 31 | 6 | 0.04 | 3 | 0.12 | http://crawler.sistrix.net/ |
| 32 | 6 | 0.04 | 2 | 0.08 | Windows XP |
| 33 | 4 | 0.03 | 1 | 0.04 | +http://u2search.co |
| 34 | 4 | 0.03 | 1 | 0.04 | +http://alphaphitote.com |
| 35 | 4 | 0.03 | 1 | 0.04 | +http://r4downloads.co |
| 36 | 3 | 0.02 | 3 | 0.12 | +http://fb02itsscan.fh-muenster.de |
| 37 | 3 | 0.02 | 1 | 0.04 | +http://downloadmine.biz |
| 38 | 3 | 0.02 | 1 | 0.04 | +http://prox100download.com |
| 39 | 3 | 0.02 | 1 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 40 | 2 | 0.01 | 1 | 0.04 | +info@netcraft.com |
| 41 | 1 | 0.01 | 0 | 0.00 | OpenBSD [unknown version] |
| 42 | 1 | 0.01 | 0 | 0.00 | Win32 |
| 43 | 1 | 0.01 | 0 | 0.00 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 44 | 1 | 0.01 | 1 | 0.04 | +http://gimmeUSA.com |
| 45 | 1 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 46 | 1 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/ |
| 47 | 1 | 0.01 | 1 | 0.04 | +http://www.grapeshot.co.uk/crawler.php |
| 48 | 1 | 0.01 | 1 | 0.04 | +http://wmaid.com/en/explore/ |
| 49 | 1 | 0.01 | 1 | 0.04 | Linux i686 [unknown version] |
