Keyword | CPC | PCC | Volume | Score | Length of keyword |
---|---|---|---|---|---|
leeuwenhoek was the first to observe what | 0.27 | 0.6 | 4191 | 60 | 41 |
leeuwenhoek | 0.74 | 0.4 | 3739 | 10 | 11 |
was | 1.73 | 0.1 | 5073 | 39 | 3 |
the | 1.01 | 0.5 | 9301 | 44 | 3 |
first | 0.41 | 1 | 2632 | 22 | 5 |
to | 0.49 | 0.1 | 3959 | 74 | 2 |
observe | 1.81 | 0.8 | 6441 | 4 | 7 |
what | 0.4 | 1 | 8321 | 44 | 4 |