| Used Operating Systems |
| 1 | 15165 | 35.70 | 258 | 3.57 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 6004 | 14.13 | 6 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 3 | 4689 | 11.04 | 6 | 0.08 | +http://webmeup-crawler.com/ |
| 4 | 3636 | 8.56 | 1888 | 26.12 | +http://ahrefs.com/robot/ |
| 5 | 2622 | 6.17 | 964 | 13.34 | +http://www.google.com/bot.html |
| 6 | 2473 | 5.82 | 1402 | 19.39 | Windows NT |
| 7 | 2183 | 5.14 | 2018 | 27.92 | +http://www.baidu.com/search/spider.html |
| 8 | 2006 | 4.72 | 2 | 0.03 | http://crawler.007ac9.net/ |
| 9 | 1645 | 3.87 | 107 | 1.48 | +http://yandex.com/bots |
| 10 | 526 | 1.24 | 272 | 3.76 | +http://www.bing.com/bingbot.htm |
| 11 | 516 | 1.21 | 5 | 0.07 | +http://www.warebay.com/bot.html |
| 12 | 404 | 0.95 | 134 | 1.85 | +http://www.linkdex.com/bots/ |
| 13 | 214 | 0.50 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 14 | 76 | 0.18 | 35 | 0.48 | Windows 95 |
| 15 | 46 | 0.11 | 23 | 0.32 | +http://www.meanpath.com/meanpathbot.htm... |
| 16 | 39 | 0.09 | 18 | 0.25 | +http://www.exabot.com/go/robot |
| 17 | 32 | 0.08 | 16 | 0.22 | http://www.opensiteexplorer.org/dotbot, ... |
| 18 | 32 | 0.08 | 9 | 0.12 | Windows 98 |
| 19 | 23 | 0.05 | 1 | 0.01 | http://www.lipperhey.com/ |
| 20 | 19 | 0.04 | 7 | 0.10 | MSIE 5.5; Windows NT 4.0 |
| 21 | 16 | 0.04 | 6 | 0.08 | Windows 3.1 |
| 22 | 12 | 0.03 | 4 | 0.06 | Windows ME |
| 23 | 11 | 0.03 | 3 | 0.04 | +http://plus5files.net |
| 24 | 10 | 0.02 | 4 | 0.06 | Windows XP |
| 25 | 8 | 0.02 | 3 | 0.04 | Windows 2000 |
| 26 | 8 | 0.02 | 3 | 0.04 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 27 | 8 | 0.02 | 4 | 0.06 | Windows CE |
| 28 | 8 | 0.02 | 2 | 0.03 | +http://galaxydownloads.co |
| 29 | 6 | 0.01 | 6 | 0.08 | FreeBSD [unknown version] |
| 30 | 6 | 0.01 | 2 | 0.03 | +http://opendownload.pw |
| 31 | 5 | 0.01 | 3 | 0.04 | Auto; Windows |
| 32 | 5 | 0.01 | 5 | 0.07 | Linux i686 [unknown version] |
| 33 | 4 | 0.01 | 1 | 0.01 | +http://getdownload.ws |
| 34 | 4 | 0.01 | 1 | 0.01 | X11 |
| 35 | 3 | 0.01 | 1 | 0.01 | +http://mono.name |
| 36 | 3 | 0.01 | 3 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 37 | 3 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 38 | 3 | 0.01 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 39 | 2 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 40 | 2 | 0.00 | 2 | 0.03 | +http://fb02itsscan.fh-muenster.de |
| 41 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 42 | 1 | 0.00 | 1 | 0.01 | +http://gimme60.com |
