| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| 1899 first magnetic recordings were released | 0.27 | 0.4 | 4543 | 10 | 44 |
| 1899 | 0.16 | 0.9 | 6020 | 19 | 4 |
| first | 0.07 | 1 | 7767 | 55 | 5 |
| magnetic | 1.14 | 0.1 | 1832 | 35 | 8 |
| recordings | 0.22 | 0.7 | 5653 | 7 | 10 |
| were | 1.37 | 0.1 | 3649 | 11 | 4 |
| released | 1.59 | 0.3 | 6478 | 73 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| 1899 first magnetic recordings were released | 1.56 | 0.3 | 8859 | 62 |
| magnetic tape recording history | 0.62 | 0.6 | 4272 | 81 |
| the magnetic era of sound recording | 0.21 | 0.2 | 7416 | 31 |
| when were the first records made | 0.92 | 0.9 | 6245 | 96 |
| began pre-recording radio shows magnetic tape | 1.65 | 1 | 7726 | 41 |
| what is magnetic recording | 1.65 | 0.2 | 3964 | 66 |
| history of magnetic resonance imaging | 1.67 | 0.4 | 393 | 26 |
| when was the first magnet made | 0.74 | 0.8 | 4119 | 49 |
| history of magnetic disk | 1.01 | 0.7 | 6730 | 81 |
| when was the first recording made | 0.21 | 0.2 | 8870 | 37 |
| electronic or magnetic record | 0.48 | 1 | 9833 | 80 |
| when did the first record come out | 0.42 | 0.2 | 1656 | 65 |
