| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| email rfc | 1.6 | 0.3 | 9197 | 35 |
| email rfc standards | 0.5 | 0.6 | 6341 | 68 |
| email rfc 5322 | 0.23 | 0.3 | 7009 | 69 |
| email rfc 822 | 0.61 | 0.9 | 1829 | 3 |
| email rfc validation | 1.99 | 0.4 | 3695 | 82 |
| email rfc specification | 1.84 | 0.8 | 8691 | 87 |
| email rfc regex | 0.49 | 0.7 | 7894 | 46 |
| email address rfc | 1.86 | 0.5 | 4091 | 48 |
| rfc email address format | 1.76 | 0.6 | 2490 | 10 |
| rfc 5322 email validation | 1.3 | 0.1 | 9782 | 65 |
