| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| dates of halley's comet appearance | 1.08 | 0.5 | 9013 | 40 | 34 |
| dates | 0.18 | 1 | 8040 | 8 | 5 |
| of | 0.71 | 0.1 | 1085 | 80 | 2 |
| halley's | 1.65 | 0.2 | 575 | 84 | 8 |
| comet | 0.95 | 0.7 | 8036 | 14 | 5 |
| appearance | 0.3 | 0.3 | 15 | 1 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| dates of halley's comet appearance | 1.87 | 0.8 | 3654 | 56 |
