Core Web Vitals Explained Simply

Google uses Core Web Vitals to measure user experience. Here's what they are and how to improve them.

**1. Largest Contentful Paint (LCP)** – loading performance

Measures how long the main content takes to load. **Aim: under 2.5 seconds.**

**2. First Input Delay (FID)** – interactivity

Measures how quickly your site responds to clicks/taps. **Aim: under 100ms.**

**3. Cumulative Layout Shift (CLS)** – visual stability

Measures unexpected layout shifts. **Aim: under 0.1.**

**LCP** – Optimise images, use a CDN, remove render‑blocking resources.

**FID** – Reduce JavaScript execution time, break up long tasks.

**CLS** – Set size attributes for images/videos, avoid inserting content above existing content.

Better user experience → lower bounce rates → higher conversions.

Google uses Core Web Vitals as a ranking factor.

[ShivAppHub](/contact) builds websites that pass Core Web Vitals with flying colours. Let's discuss your site.

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