| Used Operating Systems |
| 1 | 9986 | 44.80 | 3840 | 44.78 | Windows NT |
| 2 | 3227 | 14.48 | 2579 | 30.08 | +http://www.baidu.com/search/spider.html |
| 3 | 1793 | 8.04 | 5 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 4 | 1432 | 6.42 | 486 | 5.67 | +http://www.google.com/bot.html |
| 5 | 1374 | 6.16 | 502 | 5.85 | +http://ahrefs.com/robot/ |
| 6 | 1105 | 4.96 | 2 | 0.02 | +http://webmeup-crawler.com/ |
| 7 | 688 | 3.09 | 20 | 0.23 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 679 | 3.05 | 232 | 2.71 | +http://www.bing.com/bingbot.htm |
| 9 | 517 | 2.32 | 5 | 0.06 | +http://www.warebay.com/bot.html |
| 10 | 355 | 1.59 | 265 | 3.09 | Windows 95 |
| 11 | 247 | 1.11 | 40 | 0.47 | Windows 98 |
| 12 | 90 | 0.40 | 15 | 0.17 | +http://yandex.com/bots |
| 13 | 85 | 0.38 | 76 | 0.89 | ) - BrowseX (2.0.0 Windows |
| 14 | 75 | 0.34 | 68 | 0.79 | MSIE 5.5; Windows NT 5.0 |
| 15 | 75 | 0.34 | 66 | 0.77 | MSIE 5.5; Windows NT 4.0 |
| 16 | 67 | 0.30 | 61 | 0.71 | Auto; Windows |
| 17 | 66 | 0.30 | 64 | 0.75 | Windows 2000 |
| 18 | 64 | 0.29 | 55 | 0.64 | Windows 3.1 |
| 19 | 62 | 0.28 | 1 | 0.01 | Windows XP |
| 20 | 61 | 0.27 | 58 | 0.68 | Windows CE |
| 21 | 57 | 0.26 | 13 | 0.15 | +http://www.linkdex.com/bots/ |
| 22 | 56 | 0.25 | 48 | 0.56 | Windows ME |
| 23 | 52 | 0.23 | 46 | 0.54 | +http://www.easou.com/search/spider.html |
| 24 | 12 | 0.05 | 4 | 0.05 | X11 |
| 25 | 10 | 0.04 | 4 | 0.05 | http://www.opensiteexplorer.org/dotbot, ... |
| 26 | 10 | 0.04 | 4 | 0.05 | Android 2.3.5 |
| 27 | 8 | 0.04 | 4 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 28 | 5 | 0.02 | 1 | 0.01 | http://crawler.sistrix.net/ |
| 29 | 5 | 0.02 | 0 | 0.00 | Linux [unknown version] |
| 30 | 4 | 0.02 | 1 | 0.01 | +http://isdownload.biz |
| 31 | 4 | 0.02 | 1 | 0.01 | +http://medialine-it.com |
| 32 | 4 | 0.02 | 1 | 0.01 | +http://get4dl.net |
| 33 | 4 | 0.02 | 1 | 0.01 | +http://r4downloads.co |
| 34 | 3 | 0.01 | 1 | 0.01 | +http://overx50.com |
| 35 | 3 | 0.01 | 1 | 0.01 | +http://getdownload.ws |
| 36 | 2 | 0.01 | 2 | 0.02 | +http://fb02itsscan.fh-muenster.de |
| 37 | 2 | 0.01 | 2 | 0.02 | http://nmap.org/book/nse.html |
| 38 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
