| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| free pdf search engine | 0.75 | 0.7 | 6138 | 2 | 22 |
| free | 0.52 | 0.7 | 1345 | 33 | 4 |
| 0.27 | 0.2 | 7005 | 39 | 3 | |
| search | 0.82 | 0.6 | 2856 | 3 | 6 |
| engine | 0.83 | 0.2 | 5538 | 100 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| free pdf search engine | 0.4 | 0.7 | 1838 | 45 |
| pdf search engine free textbooks | 0.93 | 0.9 | 753 | 43 |
| free full pdf search engine | 1.37 | 0.9 | 665 | 44 |
| pdf search engine free download | 1.8 | 0.3 | 6672 | 50 |
| pdf room your search engine for free books | 0.59 | 0.6 | 6935 | 65 |
| free pdf books search engine | 1.94 | 0.9 | 5411 | 59 |
| free college textbooks pdf search engine | 1.2 | 0.2 | 4571 | 33 |
| pdf book search engine | 1.06 | 0.1 | 3490 | 95 |
| free textbook search engine | 0.38 | 0.2 | 6125 | 80 |
| search pdf search engine | 1.24 | 1 | 820 | 54 |
| best search engine for pdf books | 0.33 | 0.7 | 642 | 46 |
| pdf search engine pdf drive | 1 | 1 | 6463 | 56 |
| pdf file search engine | 1.11 | 0.6 | 3087 | 72 |
| search engine for pdf files | 1.53 | 0.1 | 8229 | 36 |
| best pdf search engine | 0.48 | 0.2 | 3023 | 73 |
| search engine pdf doc | 1.26 | 0.1 | 5309 | 86 |
| textbook pdf search engine reddit | 1.21 | 0.8 | 8517 | 36 |
| free textbook pdf search | 1.25 | 0.1 | 9503 | 41 |
| pdf search engine drive | 1 | 0.4 | 3731 | 12 |
| free book search engine | 1.72 | 0.8 | 8861 | 90 |
