| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| martin gardner architecture | 1.64 | 0.5 | 6832 | 21 | 27 |
| martin | 0.29 | 1 | 6415 | 73 | 6 |
| gardner | 0.73 | 0.7 | 2283 | 40 | 7 |
| architecture | 1.26 | 0.1 | 3101 | 28 | 12 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| martin gardner architecture | 0.28 | 0.3 | 9778 | 72 |
