| Used Operating Systems |
| 1 | 5683 | 40.32 | 2764 | 43.14 | Windows NT |
| 2 | 2679 | 19.01 | 2114 | 33.00 | +http://www.baidu.com/search/spider.html |
| 3 | 2278 | 16.16 | 34 | 0.53 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 1344 | 9.54 | 734 | 11.46 | +http://www.easou.com/search/spider.html |
| 5 | 660 | 4.68 | 211 | 3.29 | +http://www.bing.com/bingbot.htm |
| 6 | 283 | 2.01 | 126 | 1.97 | +http://www.google.com/bot.html |
| 7 | 260 | 1.84 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 8 | 178 | 1.26 | 125 | 1.95 | Windows 95 |
| 9 | 160 | 1.14 | 21 | 0.33 | +http://yandex.com/bots |
| 10 | 125 | 0.89 | 13 | 0.20 | Windows 98 |
| 11 | 67 | 0.48 | 14 | 0.22 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 44 | 0.31 | 31 | 0.48 | Windows 3.1 |
| 13 | 41 | 0.29 | 1 | 0.02 | Windows XP |
| 14 | 40 | 0.28 | 35 | 0.55 | Windows CE |
| 15 | 37 | 0.26 | 35 | 0.55 | Windows 2000 |
| 16 | 31 | 0.22 | 28 | 0.44 | MSIE 5.5; Windows NT 5.0 |
| 17 | 29 | 0.21 | 26 | 0.41 | MSIE 5.5; Windows NT 4.0 |
| 18 | 27 | 0.19 | 25 | 0.39 | Auto; Windows |
| 19 | 27 | 0.19 | 22 | 0.34 | Windows ME |
| 20 | 26 | 0.18 | 13 | 0.20 | +http://www.meanpath.com/meanpathbot.htm... |
| 21 | 14 | 0.10 | 5 | 0.08 | +http://www.linkdex.com/bots/ |
| 22 | 12 | 0.09 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 23 | 12 | 0.09 | 12 | 0.19 | ) - BrowseX (2.0.0 Windows |
| 24 | 9 | 0.06 | 2 | 0.03 | +http://getdownload.ws |
| 25 | 9 | 0.06 | 6 | 0.09 | +http://wmaid.com/explore/ |
| 26 | 4 | 0.03 | 1 | 0.02 | +http://plus5files.net |
| 27 | 4 | 0.03 | 2 | 0.03 | X11 |
| 28 | 2 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 29 | 2 | 0.01 | 1 | 0.02 | http://crawler.sistrix.net/ |
| 30 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 31 | 2 | 0.01 | 2 | 0.03 | Linux i686 [unknown version] |
| 32 | 1 | 0.01 | 1 | 0.02 | Windows |
| 33 | 1 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
