seodata.dev

keyword

comprehension checker

Monthly search volume and cost-per-click data for "comprehension checker" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=comprehension+checker&country=us" +--------------+------------------+ | volume | 260 | | cpc | $0.33 | | competition | 0.01 | | country | US | | updated | 2026-05-20 | +--------------+------------------+
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
readability checker 3,600 $6.26 20/20
readability score 1,300 $4.96 18/20
readability scores 1,300 $4.64 14/20
readability tester 320 $5.07 14/20
free readability checker 210 $5.14 15/20
check readability of text 140 $6.09 14/20
readability score checker 110 $4.43 14/20
reading level checker free 90 $1.73 14/20
readability checker tool 30 $0 15/20
readability score free 30 $0 15/20

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=comprehension+checker&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