| Used Operating Systems |
| 1 | 1749 | 43.96 | 1599 | 54.85 | +http://www.baidu.com/search/spider.html |
| 2 | 1615 | 40.59 | 1139 | 39.07 | Windows NT |
| 3 | 226 | 5.68 | 98 | 3.36 | +http://www.bing.com/bingbot.htm |
| 4 | 171 | 4.30 | 30 | 1.03 | +http://yandex.com/bots |
| 5 | 131 | 3.29 | 26 | 0.89 | +http://www.google.com/bot.html |
| 6 | 16 | 0.40 | 2 | 0.07 | +http://filterdb.iss.net/crawler/ |
| 7 | 16 | 0.40 | 4 | 0.14 | Windows 98 |
| 8 | 12 | 0.30 | 2 | 0.07 | http://www.lipperhey.com/ |
| 9 | 6 | 0.15 | 3 | 0.10 | http://www.majestic12.co.uk/bot.php?+ |
| 10 | 5 | 0.13 | 2 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 11 | 5 | 0.13 | 1 | 0.03 | +http://u12files.com/ |
| 12 | 4 | 0.10 | 0 | 0.00 | Win32 |
| 13 | 4 | 0.10 | 0 | 0.00 | Linux 2.4.x |
| 14 | 4 | 0.10 | 2 | 0.07 | +http://endb-consolidated.aihit.com/ |
| 15 | 4 | 0.10 | 2 | 0.07 | +http://www.meanpath.com/meanpathbot.htm... |
| 16 | 3 | 0.08 | 1 | 0.03 | +info@netcraft.com |
| 17 | 2 | 0.05 | 0 | 0.00 | Macintosh PPC |
| 18 | 2 | 0.05 | 2 | 0.07 | FreeBSD [unknown version] |
| 19 | 2 | 0.05 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 20 | 2 | 0.05 | 2 | 0.07 | ) - BrowseX (2.0.0 Windows |
