| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| four inventions of china | 1.13 | 0.2 | 6994 | 6 | 24 |
| four | 1.77 | 0.3 | 4317 | 49 | 4 |
| inventions | 1.84 | 1 | 3625 | 97 | 10 |
| of | 1.37 | 0.9 | 9110 | 31 | 2 |
| china | 0.15 | 1 | 8093 | 69 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| four inventions of china | 0.82 | 0.9 | 639 | 51 |
