| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| first modern optical illusion | 0.78 | 0.9 | 1082 | 65 | 29 |
| first | 1.22 | 1 | 801 | 12 | 5 |
| modern | 0.5 | 0.7 | 5236 | 21 | 6 |
| optical | 1.84 | 0.9 | 5790 | 15 | 7 |
| illusion | 1.03 | 0.1 | 7864 | 1 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| first modern optical illusion | 0.85 | 1 | 6998 | 68 |
| year of the first modern optical illusion | 1.24 | 0.1 | 6674 | 27 |
| first year of modern optical illusions | 1.49 | 0.8 | 4475 | 84 |
| huge modern optical illusion | 1.81 | 0.3 | 7991 | 33 |
| history of optical illusions | 0.11 | 0.4 | 4296 | 62 |
| when did the optical illusion occur | 0.28 | 0.5 | 7476 | 40 |
| when were optical illusions invented | 1.51 | 0.7 | 6216 | 45 |
| optical illusion what you see first | 1.9 | 0.8 | 328 | 4 |
| history of optical illusion art | 0.94 | 0.1 | 2329 | 91 |
| who created optical illusions | 1.19 | 0.6 | 3046 | 62 |
| who discovered optical illusions | 0.97 | 0.7 | 6664 | 3 |
| most famous optical illusion | 0.91 | 0.4 | 2616 | 11 |
| greatest optical illusion in the world | 0.26 | 0.9 | 6727 | 33 |
| famous optical illusion art | 0.78 | 0.6 | 4885 | 35 |
| optical illusion in real life | 0.13 | 0.9 | 1600 | 46 |
| facts about optical illusions | 1 | 0.4 | 6942 | 48 |
| the science behind optical illusions | 0.85 | 0.1 | 4073 | 94 |
| fun facts about optical illusions | 1.52 | 0.9 | 534 | 51 |
| optical illusions that reveal | 0.8 | 0.5 | 5881 | 9 |
