| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| what year were telescopes invented | 0.43 | 0.1 | 13 | 44 | 34 |
| what | 0.42 | 1 | 1313 | 12 | 4 |
| year | 0.25 | 1 | 8032 | 53 | 4 |
| were | 1.53 | 0.3 | 8663 | 26 | 4 |
| telescopes | 1.13 | 0.8 | 7505 | 18 | 10 |
| invented | 0.93 | 0.5 | 7900 | 45 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what year were telescopes invented | 0.09 | 0.7 | 4892 | 79 |
