Developer Builds Node.js CLI to Compare Keyword Metrics Across Multiple Countries

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A developer shared how building a command-line keyword research tool in Node.js reshaped their understanding of SEO data across different markets. The tool fetches metrics like search volume, CPC, organic difficulty, and ads competition for a given keyword across multiple countries simultaneously. Rather than treating these metrics in isolation, the approach layers them together to surface more meaningful insights, such as high CPC paired with low organic difficulty. The project also highlights how volume distribution across countries can reveal whether a keyword is a true global opportunity or concentrated in a single market. Custom filtering logic is central to the tool, allowing thresholds to be adjusted based on business type, whether B2B SaaS, local, or affiliate.

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