| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| messier m21 | 0.84 | 0.3 | 9008 | 23 | 11 |
| messier | 1.47 | 1 | 836 | 41 | 7 |
| m21 | 1.68 | 0.7 | 9442 | 44 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| messier m21 | 2 | 0.6 | 7222 | 80 |
| messier m22 | 0.49 | 0.9 | 4587 | 88 |
| messier m20 | 1.75 | 0.9 | 384 | 71 |
| messier 21 | 0.35 | 0.4 | 6708 | 11 |
| messier m12 | 1.85 | 0.9 | 664 | 17 |
| messier m27 | 0.28 | 0.6 | 7823 | 93 |
| messier m29 | 0.37 | 0.5 | 3853 | 11 |
| messier m24 | 0.5 | 0.7 | 5364 | 13 |
| messier m25 | 0.81 | 0.5 | 678 | 34 |
| messier m26 | 0.52 | 1 | 3023 | 88 |
| messier m23 | 0.51 | 0.9 | 3334 | 87 |
| messier m17 | 0.33 | 0.9 | 9266 | 42 |
| messier m16 | 0.08 | 0.1 | 8924 | 91 |
