seodata.dev

keyword

quantum optics textbooks

Monthly search volume and cost-per-click data for "quantum optics textbooks" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=quantum+optics+textbooks&country=us" +--------------+------------------+ | volume | 50 | | cpc | $0.16 | | competition | 0.48 | | country | US | | updated | 2026-05-20 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
quantum optics 1,300 $17.81 3/20
photonics books 90 $0.22 2/20
photonics book 70 $0.44 2/20
quantum optics books 50 $0.21 16/20
quantum optics book 50 $0.16 12/20
quantum optics scully 50 $1.88 3/20
quantum optics by mark fox 50 $0.34 2/20
introductory quantum optics 40 $0.28 4/20
quantum optics textbook 30 $0 11/20
introduction to quantum optics 30 $0 4/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=quantum+optics+textbooks&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt