Chrome UX Report (CrUX)
Chrome UX Report (CrUX) is a public dataset of real user experience metrics collected from opted-in Chrome users. CrUX provides real-world Core Web Vitals metrics (LCP, FID/INP, CLS) per origin or URL.
⚡Why It Matters
Unlike lab data (Lighthouse), CrUX reflects real user experience. Google uses CrUX data to evaluate page experience in its ranking algorithm.
🔍How AiSEO Checks
AiSEO queries the CrUX API to get real-world data on LCP, FID, CLS, TTFB for the audited URL or origin.