| Used Operating Systems by Visits |
| 1 | 8380 | 17.80 | 4334 | 47.22 | +http://ahrefs.com/robot/ |
| 2 | 2363 | 5.02 | 2158 | 23.51 | +http://www.baidu.com/search/spider.html |
| 3 | 1334 | 2.83 | 966 | 10.52 | Windows NT |
| 4 | 1339 | 2.84 | 788 | 8.58 | +http://www.google.com/bot.html |
| 5 | 25039 | 53.20 | 310 | 3.38 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 378 | 0.80 | 255 | 2.78 | +http://www.bing.com/bingbot.htm |
| 7 | 2696 | 5.73 | 171 | 1.86 | +http://yandex.com/bots |
| 8 | 258 | 0.55 | 78 | 0.85 | +http://www.linkdex.com/bots/ |
| 9 | 77 | 0.16 | 32 | 0.35 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 33 | 0.07 | 16 | 0.17 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 32 | 0.07 | 16 | 0.17 | +http://www.meanpath.com/meanpathbot.htm... |
| 12 | 19 | 0.04 | 10 | 0.11 | +http://www.exabot.com/go/robot |
| 13 | 8 | 0.02 | 7 | 0.08 | +info@netcraft.com |
| 14 | 5003 | 10.63 | 5 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 15 | 9 | 0.02 | 4 | 0.04 | Windows 95 |
| 16 | 7 | 0.01 | 3 | 0.03 | Windows CE |
| 17 | 8 | 0.02 | 3 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 18 | 4 | 0.01 | 2 | 0.02 | Windows 2000 |
| 19 | 4 | 0.01 | 2 | 0.02 | Windows 3.1 |
| 20 | 2 | 0.00 | 2 | 0.02 | Linux i686 [unknown version] |
| 21 | 4 | 0.01 | 2 | 0.02 | +http://wmaid.com/explore/ |
| 22 | 4 | 0.01 | 2 | 0.02 | Windows 98 |
| 23 | 4 | 0.01 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 24 | 7 | 0.01 | 2 | 0.02 | +http://mydownloadengine.com |
| 25 | 3 | 0.01 | 1 | 0.01 | Auto; Windows |
| 26 | 5 | 0.01 | 1 | 0.01 | +http://overx50.com |
| 27 | 1 | 0.00 | 1 | 0.01 | +http://fb02itsscan.fh-muenster.de |
| 28 | 4 | 0.01 | 1 | 0.01 | +http://uni5download.com |
| 29 | 3 | 0.01 | 1 | 0.01 | Wayback Machine Live Record; +http://arc... |
| 30 | 14 | 0.03 | 1 | 0.01 | +http://www.linkpad.ru |
| 31 | 1 | 0.00 | 1 | 0.01 | Windows ME |
| 32 | 3 | 0.01 | 1 | 0.01 | +http://downloaflare.biz |
| 33 | 3 | 0.01 | 1 | 0.01 | +http://inload.me |
| 34 | 4 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 35 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 36 | 5 | 0.01 | 0 | 0.00 | Linux [unknown version] |
| 37 | 6 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 38 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 39 | 3 | 0.01 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 40 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
