| Used Operating Systems by Visits |
| 1 | 50500 | 55.65 | 5157 | 37.58 | Windows NT |
| 2 | 4030 | 4.44 | 2889 | 21.05 | +http://www.baidu.com/search/spider.html |
| 3 | 12058 | 13.29 | 1686 | 12.29 | +http://www.bing.com/bingbot.htm |
| 4 | 4759 | 5.24 | 1312 | 9.56 | +http://www.google.com/bot.html |
| 5 | 2802 | 3.09 | 1204 | 8.77 | +http://www.easou.com/search/spider.html |
| 6 | 681 | 0.75 | 500 | 3.64 | +http://ahrefs.com/robot/ |
| 7 | 3904 | 4.30 | 230 | 1.68 | +http://yandex.com/bots |
| 8 | 934 | 1.03 | 208 | 1.52 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 972 | 1.07 | 183 | 1.33 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 4000 | 4.41 | 89 | 0.65 | http://www.majestic12.co.uk/bot.php?+ |
| 11 | 87 | 0.10 | 43 | 0.31 | Windows 95 |
| 12 | 533 | 0.59 | 36 | 0.26 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 59 | 0.07 | 24 | 0.17 | Windows 98 |
| 14 | 29 | 0.03 | 14 | 0.10 | X11 |
| 15 | 51 | 0.06 | 11 | 0.08 | +http://www.exabot.com/go/robot |
| 16 | 16 | 0.02 | 10 | 0.07 | Windows CE |
| 17 | 17 | 0.02 | 10 | 0.07 | Windows 2000 |
| 18 | 83 | 0.09 | 9 | 0.07 | +http://downloaflare.biz |
| 19 | 15 | 0.02 | 9 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 20 | 1026 | 1.13 | 8 | 0.06 | +http://www.warebay.com/bot.html |
| 21 | 1999 | 2.20 | 7 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 22 | 6 | 0.01 | 6 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 23 | 13 | 0.01 | 6 | 0.04 | +http://fulltext.sblog.cz/ |
| 24 | 63 | 0.07 | 5 | 0.04 | +http://overx50.com |
| 25 | 34 | 0.04 | 5 | 0.04 | +http://getdownload.ws |
| 26 | 7 | 0.01 | 5 | 0.04 | Windows ME |
| 27 | 7 | 0.01 | 5 | 0.04 | Windows 3.1 |
| 28 | 12 | 0.01 | 5 | 0.04 | Android 2.3.5 |
| 29 | 9 | 0.01 | 4 | 0.03 | +http://www.proximic.com/info/spider.php |
| 30 | 14 | 0.02 | 4 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 31 | 6 | 0.01 | 3 | 0.02 | Windows XP |
| 32 | 8 | 0.01 | 3 | 0.02 | Linux i686 [unknown version] |
| 33 | 11 | 0.01 | 2 | 0.01 | http://www.lipperhey.com/ |
| 34 | 2 | 0.00 | 2 | 0.01 | Auto; Windows |
| 35 | 4 | 0.00 | 2 | 0.01 | +http://support.embed.ly/ |
| 36 | 6 | 0.01 | 2 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 37 | 2 | 0.00 | 2 | 0.01 | +http://wmaid.com/explore/ |
| 38 | 1367 | 1.51 | 2 | 0.01 | +http://webmeup-crawler.com/ |
| 39 | 8 | 0.01 | 2 | 0.01 | +http://tryload.in |
| 40 | 17 | 0.02 | 2 | 0.01 | +http://siteexplorer.info/ |
| 41 | 2 | 0.00 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 42 | 1 | 0.00 | 1 | 0.01 | +http://fb02itsscan.fh-muenster.de |
| 43 | 501 | 0.55 | 1 | 0.01 | http://crawler.sistrix.net/ |
| 44 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 45 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 46 | 2 | 0.00 | 1 | 0.01 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 47 | 14 | 0.02 | 1 | 0.01 | Windows Phone OS 7.5 |
| 48 | 1 | 0.00 | 1 | 0.01 | PPC Mac OS X Mach-O |
| 49 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 50 | 2 | 0.00 | 1 | 0.01 | +http://www.xovibot.net/ |
| 51 | 1 | 0.00 | 1 | 0.01 | +http://gimme60.com |
| 52 | 1 | 0.00 | 1 | 0.01 | i686 Linux; 20021203 |
| 53 | 34 | 0.04 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 54 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.6 |
| 55 | 4 | 0.00 | 1 | 0.01 | +http://mydownloadengine.com |
| 56 | 4 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 57 | 5 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 58 | 4 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 59 | 12 | 0.01 | 0 | 0.00 | snap; +http://support.embed.ly/ |
