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keyword

when was the microscope invented

Monthly search volume and cost-per-click data for "when was the microscope invented" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=when+was+the+microscope+invented&country=us" +--------------+------------------+ | volume | 2,900 | | cpc | $0.62 | | competition | 0 | | country | US | | updated | 2026-05-21 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
who invented microscope 4,400 $0 20/20
who invented the microscope 4,400 $0 20/20
when was microscope invented 2,900 $0.21 20/20
when the microscope was invented 2,900 $0.21 19/20
when and who invented the microscope 2,900 $0.62 18/20
invented the microscope 1,300 $0 20/20
invention microscope 1,300 $0 20/20
microscope invention 1,300 $0 20/20
microscope inventor 1,300 $0 20/20
who invented the first microscope 1,300 $0 19/20

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=when+was+the+microscope+invented&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