Free Chrome extension measures ad cost that CrUX's new ad metrics miss

gaganghotra_ · x · 2026-10-06

On Sept 15 Chrome added ad metrics to CrUX — number of on-screen ads, their coverage, and their CPU/network cost. But Chrome only counts ads its own filter list tags.

Developer @natzir9 built a free extension that measures the rest, now live on the Chrome Web Store. For SEOs and publishers it offers a fuller picture of how ads drag down page performance.

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