| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| design flaws in the mig 21 | 1.11 | 0.5 | 4140 | 72 |
| why do mig 21 crash | 0.46 | 1 | 6443 | 86 |
| is the mig 21 still in use | 0.71 | 0.8 | 837 | 37 |
| mig 21 plane crazy | 1.24 | 1 | 215 | 88 |
| mig 21 tutorial plane crazy | 0.66 | 0.6 | 7898 | 35 |
| mig 21 aircraft crash | 1.63 | 0.6 | 539 | 80 |
| mig 21 jet crashes | 0.07 | 0.2 | 4005 | 57 |
| what made the mig 29 so bad | 0.41 | 0.1 | 7168 | 15 |
| is the mig 21 a good plane | 1.32 | 0.7 | 215 | 26 |
| mig 21 in flight | 1.4 | 0.6 | 2312 | 40 |
| did the mig-21 have flares | 1.21 | 0.6 | 693 | 85 |
| mig 21 3 view drawing | 1.49 | 0.7 | 4604 | 34 |
| mig 21 vs mig 17 | 1.98 | 0.4 | 7732 | 75 |
| mig 21 vs mig 29 | 0.53 | 0.2 | 7660 | 69 |
| mig 21 crashes till now | 1.97 | 0.9 | 1584 | 87 |
| mig 25 defects to japan | 1.81 | 0.3 | 2658 | 5 |
| mig 21 profile picture | 0.45 | 0.8 | 7381 | 54 |
| mig 21 front profile | 1.56 | 0.6 | 7622 | 28 |
| mig 21 crash today | 0.54 | 0.5 | 7592 | 55 |
| mig 21 side view | 0.66 | 0.4 | 2055 | 10 |
| mig 21 diecast model | 1.79 | 0.7 | 9468 | 28 |
| mig 21 crash pilot | 0.59 | 0.4 | 4522 | 29 |
| mig-21 drawing | 1.81 | 0.9 | 5388 | 6 |
| research thesis about mig-21fighter aircraft | 1.29 | 0.8 | 1783 | 57 |
