seodata.dev

keyword

what is optical

Monthly search volume and cost-per-click data for "what is optical" in US.

$ curl "https://app.seodata.dev/v1/search-volume?q=what-is-optical&country=us" +--------------+------------------+ | volume | 1,300 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-03-30 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
define optical 6,600 $0 12/20
optical define 6,600 $0 10/20
optics definition 6,600 $0 9/20
meaning of optical 3,600 $0 14/20
optical definition 2,400 $0 15/20
optical meaning 2,400 $0 13/20
what is optics 1,300 $0 16/20
what is an optical 1,300 $0 14/20
optics in physics 1,300 $0.52 10/20
optics physics 1,300 $0.52 10/20

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/search-volume?q=what-is-optical&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