A Practical Guide to Core Web Vitals

Performance improvement starts with real experience data, then addresses the largest element, interaction delay, and layout stability.

A practical framework

Compress and size images, reduce unnecessary JavaScript, and prioritize critical fonts and resources. Monitor after every release because lab averages do not represent every user.

Checklist

• Optimize the hero image
• Avoid needless render blocking
• Reserve media dimensions
• Set a CI performance budget

The next step

Choose one decision you can apply this week, assign an owner and success signal, then review the result before expanding scope.