seodata.dev

keyword

21 month old development checklist

Monthly search volume and cost-per-click data for "21 month old development checklist" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=21+month+old+development+checklist&country=us" +--------------+------------------+ | volume | 110 | | cpc | $1.07 | | competition | 0.07 | | country | US | | updated | 2026-06-30 | +--------------+------------------+
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
20 month old milestones 3,600 $2.08 14/20
21-month-old milestones 2,400 $0.75 20/20
24 month milestones 1,900 $2.46 14/20
19 month old milestones 1,600 $3.39 14/20
21 month development milestones 720 $0.78 16/20
21-month milestones 720 $0.78 15/20
21 month milestones 720 $1.39 14/20
21-month-old development checklist 110 $1.07 20/20
21 month-old development checklist 110 $1.07 16/20
21-month old development checklist 110 $1.07 16/20

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=21+month+old+development+checklist&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