| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| inventions in the century | 1.25 | 0.3 | 3838 | 12 | 25 |
| inventions | 1.36 | 0.1 | 8663 | 69 | 10 |
| in | 1.99 | 0.6 | 4231 | 5 | 2 |
| the | 1.52 | 0.1 | 3797 | 7 | 3 |
| century | 0.34 | 0.4 | 3869 | 48 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| inventions in the century | 0.28 | 0.5 | 2498 | 35 |
| 20th century inventions | 1.83 | 0.8 | 6158 | 54 |
| 19th century inventions | 1.18 | 0.2 | 2123 | 100 |
| 21st century inventions | 1.67 | 0.8 | 7692 | 63 |
| 18th century inventions | 0.93 | 1 | 9833 | 97 |
| twentieth century inventions | 1.19 | 0.7 | 1602 | 88 |
| 16th century inventions | 1.02 | 0.1 | 3311 | 9 |
| 20th century inventions timeline | 1.38 | 1 | 5675 | 31 |
| 20th century inventions and discoveries | 0.51 | 0.4 | 1600 | 69 |
| 20th century inventions list | 1.15 | 0.3 | 6876 | 26 |
| greatest inventions of the 20th century | 1.84 | 0.2 | 9791 | 91 |
| inventions made in the 20th century | 1.56 | 0.3 | 1755 | 18 |
| 20th century technology inventions | 0.81 | 0.8 | 7594 | 37 |
| most important inventions of the 20th century | 0.74 | 0.7 | 5140 | 51 |
| best inventions of the 20th century | 1.7 | 0.3 | 3100 | 32 |
| major inventions of the 20th century | 0.51 | 0.5 | 3823 | 71 |
