| Keyword | CPC | PCC | Volume | Length string | Score |
|---|---|---|---|---|---|
| who made the first home security system | 0.19 | 0.2 | 5742 | 39 | 66 |
| how was the first home security system made | 1.9 | 0.6 | 2810 | 43 | 77 |
| who made home security system | 1.82 | 0.7 | 2900 | 29 | 25 |
| first home security system creator | 0.19 | 0.2 | 1401 | 34 | 76 |
| who invented the first security system | 1.08 | 0.8 | 1084 | 38 | 52 |
| first home security system | 1.32 | 0.3 | 6428 | 26 | 44 |
| inventor of the home security system | 1.64 | 0.2 | 9278 | 36 | 88 |
| who invented home security | 0.23 | 0.5 | 3411 | 26 | 14 |
| history of home security systems | 1.99 | 0.1 | 2736 | 32 | 79 |
| home security system history | 1.27 | 1 | 3531 | 28 | 38 |
