| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| how were roman arches constructed | 0.93 | 1 | 65 | 94 | 33 |
| how | 1.74 | 0.8 | 9421 | 4 | 3 |
| were | 0.75 | 0.6 | 159 | 25 | 4 |
| roman | 0.59 | 0.8 | 6240 | 31 | 5 |
| arches | 0.54 | 0.5 | 5980 | 90 | 6 |
| constructed | 1.26 | 0.1 | 8564 | 77 | 11 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how were roman arches constructed | 0.16 | 0.2 | 5736 | 19 |
