| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| halley's comet 1911 | 0.39 | 0.3 | 916 | 30 | 19 |
| halley's | 0.09 | 0.5 | 3103 | 99 | 8 |
| comet | 1.96 | 0.6 | 4416 | 99 | 5 |
| 1911 | 1.11 | 0.3 | 642 | 82 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| halley's comet 1910 | 1.08 | 0.8 | 4308 | 84 |
| halley's comet 1910 panic | 1.12 | 0.2 | 4856 | 49 |
| halley's comet 1910 photo | 1.15 | 0.3 | 1875 | 78 |
| halley's comet 1910 australia | 1.95 | 1 | 4635 | 20 |
| halley's comet in 1910 | 0.18 | 0.3 | 2943 | 73 |
| us news 1910 halley's comet | 0.67 | 0.3 | 4670 | 87 |
| history of halley's comet | 0.39 | 0.3 | 2367 | 51 |
| the comet known as halley's comet history | 0.68 | 0.6 | 7846 | 64 |
| what was halley's comet | 0.13 | 1 | 2829 | 43 |
| the comet known as halley's history | 0.01 | 0.2 | 1687 | 26 |
| what year was halley's comet | 1.01 | 0.3 | 9673 | 91 |
| halley's comet in 1986 | 0.59 | 0.3 | 2838 | 38 |
| halley's comet historical dates | 0.93 | 0.4 | 9374 | 49 |
| halley's comet dates in history | 1.91 | 0.5 | 1181 | 96 |
| news 1986 halley's comet | 0.53 | 0.3 | 210 | 88 |
| image of halley's comet | 0.43 | 0.4 | 1733 | 76 |
| picture of halley's comet | 1.42 | 1 | 450 | 66 |
| period of halley's comet | 1.25 | 0.6 | 6340 | 18 |
| halley's comet pictures 1986 | 0.93 | 0.8 | 9491 | 87 |
