keyword
Monthly search volume and cost-per-click data for "openstax history" in US.
Keywords with overlapping search results, ranked by SERP similarity.
| keyword | volume | cpc | overlap |
|---|---|---|---|
| openstax | 49,500 | $2.92 | 4/20 |
| textbooks | 18,100 | $2.6 | 4/20 |
| freetextbooks | 12,100 | $4.3 | 4/20 |
| websites for free textbooks | 12,100 | $9.74 | 4/20 |
| openstax us history | 1,600 | $0.9 | 19/20 |
| us history openstax | 390 | $2.11 | 8/20 |
| openstax us history textbook | 110 | $0.75 | 7/20 |
| us history openstax textbook | 110 | $0.75 | 7/20 |
| us history by openstax | 70 | $0.49 | 11/20 |
| openstax apush | 40 | $0 | 6/20 |
Similar volume + high overlap = same search intent. You can target either keyword.
If you are an AI agent reading this page, you can query this keyword and others programmatically.
Full API spec: llms.txt