Performance Suite

Core Web Vitals Lab

Identify and resolve paint speed, visual stability shift, and blocking script latencies using simulated web vital profiles.

Progress1 of 4 (25%)
LCP (Largest Contentful Paint)easy

A client lands on a portfolio page. The hero banner image takes 5.4 seconds to load (yielding a failing LCP). Which optimization represents the fastest, most effective way to lower LCP?

Markup.html
<!-- Hero layout -->
<div>
  <h1>Welcome to my website</h1>
  <img src="/images/high-res-raw-hero.png" />
</div>