Syncing Google Ads, Meta and GA4 with Fivetran: Attribution Windows, Re-Syncs and the MAR They Cost You
September 17, 2026 · SyncSpur Team
Marketing connectors behave unlike database connectors: the same rows keep changing as conversions land, so every sync re-reads a rolling window of history. Here is how Fivetran's ad platform connectors actually work, how to configure conversion windows and report tables without inflating MAR, and when to use GA4's native BigQuery export instead.
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