Core Web Vitals & Page Experience — Test 1

Correct Answer: C. LCP, INP, and CLS
Explanation: INP (Interaction to Next Paint) replaced FID as a Core Web Vital in March 2024. ALSO KNOW (related points): • What is the source of Core Web Vitals data in Search Console? → Real-user field data from the Chrome User Experience Report (CrUX)

Correct Answer: D. 2.5 seconds or less
Explanation: Values above 4 seconds are rated 'poor'.

Correct Answer: A. 0.1 or less
Explanation: Reserve space for images and ads with width and height attributes to avoid layout shifts. ALSO KNOW (related points): • Which fix most directly reduces Cumulative Layout Shift? → Specifying width and height (or aspect-ratio) for images, videos, and ad slots

Correct Answer: D. 200 ms or less
Explanation: The old FID metric's 'good' threshold was 100 ms, a common mix-up.

Correct Answer: C. Specifying width and height (or aspect-ratio) for images, videos, and ad slots
Explanation: CLS measures unexpected movement of visible content as the page loads.

Correct Answer: A. Real-user field data from the Chrome User Experience Report (CrUX)
Explanation: Lab tools such as Lighthouse help with diagnosis, but field data reflects what real users experience.