| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| list of vacuum tubes | 0.81 | 0.6 | 4930 | 15 | 20 |
| list | 1.68 | 0.9 | 9488 | 26 | 4 |
| of | 1.27 | 0.4 | 1594 | 73 | 2 |
| vacuum | 0.91 | 0.4 | 9753 | 41 | 6 |
| tubes | 1.28 | 0.7 | 7012 | 63 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| list of vacuum tubes | 0.31 | 1 | 6453 | 18 |
| list of vacuum tube computers | 1.46 | 0.2 | 127 | 82 |
| list of vacuum tube manufacturers | 1.92 | 0.5 | 9619 | 96 |
| radio vacuum tubes price list | 0.83 | 0.3 | 9554 | 56 |
| dumont vacuum tubes list | 0.45 | 0.7 | 8693 | 79 |
| list of valuable vacuum tubes | 1.88 | 0.9 | 8839 | 88 |
| list of best vacuum tubes | 0.9 | 0.3 | 682 | 27 |
| list of rare vacuum tubes | 0.63 | 0.9 | 5489 | 1 |
| list triode vacuum tubes | 0.74 | 0.6 | 2903 | 46 |
| vacuum tube based computer | 1.78 | 0.3 | 6224 | 82 |
| vacuum tubes for computers | 1.74 | 0.7 | 6253 | 94 |
| vacuum tube computer for sale | 0.56 | 0.5 | 1883 | 81 |
| computer with vacuum tubes | 1.08 | 0.3 | 4609 | 81 |
| vacuum tube computer images | 1.03 | 0.1 | 7494 | 80 |
| vacuum tube computer term | 1.23 | 0.4 | 2042 | 58 |
| which generation of computer use vacuum tubes | 0.97 | 0.2 | 9285 | 67 |
| what replaced vacuum tubes in computers | 1.4 | 1 | 6763 | 39 |
| vacuum tube used in first generation computer | 1.9 | 0.4 | 5262 | 54 |
| vacuum tube computer working | 0.47 | 0.3 | 6631 | 45 |
| vacuum tube computer definition | 1.57 | 0.4 | 705 | 72 |
| vacuum tubes computer generation | 0.74 | 0.6 | 1507 | 14 |
