A beautiful website is not necessarily easy to use. Start with a task users need to complete, identify where they slow down or get confused, fix the highest-impact issues first, then retest using data and real-world observation.
Browsing: Core Web Vitals
A high PageSpeed score does not always mean a fast real-world experience. Learn to distinguish simulated and real-user data, identify the right causes, and recheck performance after optimization.
AMP is not an independent ranking factor and is no longer required for Top Stories. Implement it only when data shows that its performance or operational benefits are substantial enough to justify the cost of maintaining an AMP version.