| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| nfl helmet to helmet hit rule | 0.41 | 0.7 | 5319 | 5 |
| nfl helmet to helmet rule | 1.59 | 0.4 | 9072 | 55 |
| helmet to helmet contact rule nfl | 0.62 | 0.9 | 2956 | 40 |
| nfl one helmet rule | 0.31 | 0.6 | 1251 | 36 |
| nfl leading with helmet rule | 0.18 | 1 | 3208 | 12 |
| nfl helmet to helmet hits | 0.03 | 0.3 | 7433 | 88 |
| nfl rule helmet comes off | 0.1 | 0.1 | 5870 | 46 |
| football helmet to helmet hit | 1.98 | 0.9 | 8374 | 93 |
| nfl helmet rule 1997 | 0.13 | 0.5 | 2603 | 19 |
| nfl taking helmet off rule | 0.11 | 0.8 | 6878 | 71 |
| nfl helmet to helmet penalty | 0.63 | 0.7 | 520 | 90 |
| nfl removing helmet rule | 1.34 | 1 | 3481 | 71 |
| helmet to helmet nfl | 1.22 | 0.6 | 1460 | 76 |
| nfl one helmet rule silly | 1.1 | 0.8 | 26 | 66 |
| yahoo sports nfl helmet rule | 1.9 | 0.9 | 8279 | 91 |
| nfl helmet removal rule | 0.2 | 0.3 | 4958 | 9 |
