Performance Monitoring — Core Web Vitals and Why Google Cares
Understand the performance metrics that affect your SEO, user experience, and conversion rates — and how to track them.
Your application works. No errors, no crashes, all features functioning. But users are leaving. They click a link, wait three seconds for the page to load, and hit the back button. They start filling out a form, the layout shifts and they click the wrong button, and they close the tab in frustration. They scroll through your landing page and the images stutter and jank their way onto the screen.
Performance isn't a nice-to-have. It's a feature — arguably the most important one. Studies consistently show that a 1-second delay in page load time reduces conversions by 7%. Amazon found that every 100ms of latency cost them 1% in sales. Google uses page speed as a ranking factor. Slow sites rank lower, period.
Performance monitoring tells you how fast your application is for real users — not
This lesson is part of the Guild Member curriculum. Plans start at $29/mo.