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Google Chrome is testing a new way to measure Core Web Vitals in Single Page Applications (SPAs), which is a long-standing blind spot in performance tracking that affects SEO audits and ranking signals.
Starting with Chrome 139, developers can opt into an origin trial for the Soft Navigations API. This enables measurement of metrics like LCP, CLS, and INP even when a page updates content without a full reload.
Why This Matters For SEO
SPAs are popular for speed and interactivity, but they’ve been notoriously difficult to monitor using tools like…
