| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| when did op art start | 0.4 | 0.5 | 8060 | 10 |
| when did the op art movement start | 1.59 | 0.5 | 8673 | 48 |
| where did the op art movement start | 0.5 | 0.2 | 5457 | 91 |
| op art starting | 0.1 | 0.4 | 7127 | 56 |
| when did bridget riley start op art | 1.59 | 0.7 | 2983 | 71 |
| who started op art | 0.54 | 0.2 | 6011 | 70 |
| how was op art created | 0.18 | 0.5 | 9329 | 41 |
| origin of op art | 0.33 | 0.1 | 1633 | 53 |
| when did op art become popular | 0.67 | 0.7 | 6935 | 8 |
| who created op art | 1.79 | 0.5 | 3759 | 55 |
| who made op art | 1.66 | 0.3 | 988 | 79 |
| what was op art | 1.27 | 0.9 | 7332 | 79 |
| who invented op art | 0.66 | 0.5 | 6030 | 44 |
| op art in the 1960s | 0.37 | 0.7 | 4638 | 75 |
| facts about op art | 0.7 | 1 | 2325 | 73 |
| what style of art is op art | 0.73 | 0.4 | 3940 | 14 |
| when was op made | 0.81 | 0.9 | 8624 | 38 |
| the art story op art | 1.3 | 0.4 | 6554 | 61 |
| first modern op art movement | 0.99 | 0.5 | 4568 | 96 |
| what is op art definition | 1.13 | 0.7 | 1662 | 4 |
| pictures of op art | 0.15 | 1 | 8328 | 23 |
| op art famous artworks | 0.67 | 0.7 | 8497 | 66 |
| during op art movement | 0.21 | 0.8 | 2279 | 35 |
| a history of operational art | 1.54 | 0.3 | 5313 | 89 |
