| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| the first solar cell | 0.57 | 1 | 6627 | 94 | 20 |
| the | 1.26 | 0.1 | 959 | 82 | 3 |
| first | 0.62 | 0.5 | 2242 | 21 | 5 |
| solar | 1.98 | 0.2 | 3441 | 23 | 5 |
| cell | 1.54 | 0.4 | 837 | 23 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| the first solar cell | 1.16 | 1 | 92 | 95 |
| first generation solar cells | 1.75 | 0.9 | 2017 | 70 |
| when was the first solar cell invented | 1.81 | 0.5 | 3962 | 74 |
| fritts first solar cell | 1.16 | 0.5 | 4804 | 69 |
| inventor of first solar cell | 1.87 | 1 | 6776 | 75 |
| first perovskite solar cell | 1.18 | 0.8 | 6524 | 4 |
| bell labs first solar cell | 1.08 | 0.9 | 7557 | 50 |
| who made the first solar cell | 1.56 | 0.2 | 502 | 33 |
| first solar cell invented | 1.15 | 0.1 | 1847 | 62 |
| first solar cell efficiency | 0.65 | 1 | 2511 | 80 |
