| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| bridge operation and maintenance manual | 1.34 | 0.4 | 4917 | 42 | 39 |
| bridge | 0.25 | 0.7 | 2338 | 16 | 6 |
| operation | 1.46 | 0.6 | 7625 | 25 | 9 |
| and | 1.88 | 0.6 | 6983 | 97 | 3 |
| maintenance | 0.78 | 0.7 | 845 | 13 | 11 |
| manual | 1.36 | 0.6 | 726 | 6 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| bridge operation and maintenance manual | 0.59 | 0.9 | 2552 | 62 |
