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keyword

what started ww1

Monthly search volume and cost-per-click data for "what started ww1" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=what+started+ww1&country=us" +--------------+------------------+ | volume | 18,100 | | cpc | $5.25 | | competition | 0.01 | | country | US | | updated | 2026-05-16 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
when did the first war start 49,500 $5.54 20/20
when did the first world war start 49,500 $2.59 20/20
when did world war 1 start 49,500 $2.59 20/20
when did ww1 start 49,500 $5.54 20/20
when did wwi start 49,500 $5.54 20/20
what started world war 1 18,100 $5.19 20/20
start of ww1 14,800 $3.36 20/20
why did the first world war start 14,800 $3.96 20/20
why did world war 1 started 14,800 $5.15 20/20
why did wwi start 14,800 $3.96 20/20

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=what+started+ww1&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