seodata.dev

keyword

cathode ray tubes experiment

Monthly search volume and cost-per-click data for "cathode ray tubes experiment" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=cathode+ray+tubes+experiment&country=us" +--------------+------------------+ | volume | 1,600 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-23 | +--------------+------------------+
All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
cathode rays 2,900 $0 9/20
cathode ray experiment 1,600 $0 18/20
cathode rays experiment 1,600 $0 18/20
cathode ray tube experiment 1,300 $0 20/20
jj thomson electron experiment 1,300 $0 13/20
experiment of jj thomson 1,300 $0 12/20
cathode ray tube discovery 30 $0 12/20
what is cathode ray tube experiment 30 $0 10/20
what is the cathode ray tube experiment 30 $0 10/20
cathode ray model 20 $0 11/20

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://api.seodata.dev/v1/keyword?q=cathode+ray+tubes+experiment&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt