| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| camera obscura and invention of photography | 1.75 | 0.3 | 6960 | 12 | 43 |
| camera | 0.58 | 1 | 93 | 6 | 6 |
| obscura | 1.91 | 0.2 | 5007 | 3 | 7 |
| and | 1.07 | 0.3 | 5695 | 97 | 3 |
| invention | 1.98 | 0.3 | 9606 | 81 | 9 |
| of | 1.65 | 0.7 | 5510 | 54 | 2 |
| photography | 0.23 | 0.4 | 8551 | 57 | 11 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| camera obscura and invention of photography | 0.45 | 0.2 | 9897 | 56 |
| camera obscura year of invention | 0.53 | 1 | 5936 | 4 |
| who invented the camera obscura and when | 0.13 | 0.8 | 6038 | 90 |
| camera obscura invented by | 0.84 | 0.7 | 2778 | 70 |
| was camera obscura the first camera invented | 0.01 | 0.7 | 2807 | 90 |
| camera obscura invention date | 0.48 | 0.7 | 1614 | 93 |
| why was the camera obscura developed | 0.55 | 0.3 | 8548 | 83 |
| history of camera obscura | 1.61 | 0.9 | 7226 | 34 |
| why was camera obscura first created | 1.87 | 0.9 | 3241 | 15 |
| was camera obscura the first camera technique | 1.8 | 0.9 | 5265 | 18 |
| was camera obscura first credited | 0.89 | 0.2 | 3074 | 31 |
| camera obscura invented year | 1 | 0.9 | 354 | 44 |
| how was the camera obscura first used | 0.84 | 0.4 | 2730 | 84 |
