| Used Operating Systems |
| 1 | 4165 | 24.70 | 2826 | 41.23 | +http://www.baidu.com/search/spider.html |
| 2 | 3610 | 21.41 | 1878 | 27.40 | Windows NT |
| 3 | 3303 | 19.59 | 9 | 0.13 | +http://OpenLinkProfiler.org/bot |
| 4 | 2509 | 14.88 | 1389 | 20.27 | +http://www.easou.com/search/spider.html |
| 5 | 1831 | 10.86 | 52 | 0.76 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 542 | 3.21 | 214 | 3.12 | +http://www.google.com/bot.html |
| 7 | 327 | 1.94 | 230 | 3.36 | +http://www.bing.com/bingbot.htm |
| 8 | 106 | 0.63 | 69 | 1.01 | Windows 95 |
| 9 | 96 | 0.57 | 32 | 0.47 | +http://www.linkdex.com/bots/ |
| 10 | 70 | 0.42 | 1 | 0.01 | http://crawler.sistrix.net/ |
| 11 | 65 | 0.39 | 10 | 0.15 | Windows 98 |
| 12 | 38 | 0.23 | 7 | 0.10 | +http://yandex.com/bots |
| 13 | 22 | 0.13 | 11 | 0.16 | +http://www.meanpath.com/meanpathbot.htm... |
| 14 | 19 | 0.11 | 16 | 0.23 | Auto; Windows |
| 15 | 18 | 0.11 | 16 | 0.23 | MSIE 5.5; Windows NT 5.0 |
| 16 | 18 | 0.11 | 16 | 0.23 | ) - BrowseX (2.0.0 Windows |
| 17 | 17 | 0.10 | 14 | 0.20 | Windows 3.1 |
| 18 | 16 | 0.09 | 13 | 0.19 | Windows ME |
| 19 | 16 | 0.09 | 16 | 0.23 | MSIE 5.5; Windows NT 4.0 |
| 20 | 15 | 0.09 | 12 | 0.18 | Windows CE |
| 21 | 14 | 0.08 | 0 | 0.00 | Windows XP |
| 22 | 10 | 0.06 | 10 | 0.15 | Windows 2000 |
| 23 | 5 | 0.03 | 1 | 0.01 | +http://overx50.com |
| 24 | 5 | 0.03 | 1 | 0.01 | +http://getdownload.ws |
| 25 | 4 | 0.02 | 2 | 0.03 | +http://wmaid.com/explore/ |
| 26 | 3 | 0.02 | 1 | 0.01 | +http://downloaflare.biz |
| 27 | 3 | 0.02 | 1 | 0.01 | +http://mydownloadengine.com |
| 28 | 3 | 0.02 | 1 | 0.01 | +http://inload.me |
| 29 | 2 | 0.01 | 2 | 0.03 | +http://fb02itsscan.fh-muenster.de |
| 30 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 31 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 32 | 2 | 0.01 | 2 | 0.03 | Linux i686 [unknown version] |
| 33 | 1 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 34 | 1 | 0.01 | 1 | 0.01 | +http://ahrefs.com/robot/ |
| 35 | 1 | 0.01 | 0 | 0.00 | X11 |
