How UTM Parameters and a Single Database Table Can Reveal Which Channel Drives Sales

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A technical guide published on DEV Community explains how sellers distributing the same offer across Facebook, WhatsApp, Telegram, and classifieds sites can use UTM parameters to identify which channel actually generates traffic. By embedding tags such as utm_source, utm_medium, utm_campaign, and utm_content into links before posting, marketers can track which labeled link was clicked without relying on platform analytics. The article recommends storing events in a minimal single-table database, with storage choice — SQLite, PostgreSQL, or a hosted option — determined by existing infrastructure rather than trends. It cautions that UTM parameters record which tagged link was used, not the physical platform a visitor came from, since forwarded links retain their original tags. The guide also warns against serverless environments for local SQLite files due to ephemeral storage, and advises keeping tracking dimensions separate to allow clean, axis-specific SQL queries.

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