| 7 different keywords | Search | Percent |
|---|
| https | 9 | 50 % |
| //www.tumori.nu/hougen/index.html | 3 | 16.6 % |
| //www.tumori.nu/hougen/iimawasi.html | 2 | 11.1 % |
| //www.tumori.nu/robocon/robocon00/index.html | 1 | 5.5 % |
| //www.tumori.nu/robocon/robocon-movie/index.html | 1 | 5.5 % |
| //www.tumori.nu/hougen/a.html | 1 | 5.5 % |
| //www.tumori.nu/robocon/robocon02/index.html | 1 | 5.5 % |