| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| what purpose of having a ventilation shaft | 1.16 | 0.7 | 5115 | 100 | 42 |
| what | 1.09 | 0.7 | 1847 | 71 | 4 |
| purpose | 0.78 | 0.5 | 9293 | 66 | 7 |
| of | 0.21 | 0.1 | 6280 | 7 | 2 |
| having | 0.15 | 0.7 | 1669 | 51 | 6 |
| a | 0.68 | 0.1 | 8465 | 3 | 1 |
| ventilation | 0.21 | 0.6 | 8116 | 88 | 11 |
| shaft | 0.86 | 0.3 | 3179 | 36 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what purpose of having a ventilation shaft | 1.86 | 0.3 | 1536 | 43 |
