Test your site

PageSpeed Insights is what I use to test LCP properly and stop guessing. It shows you the LCP metric and, more importantly, identifies the LCP element via the “LCP request discovery” section so you can focus your optimization where it matters.

Pros

+Free and easy to run tests
+Highlights the exact LCP element and related requests
+Useful for tracking improvements over time

Cons

-Lab results can differ from real-world field data
-Can feel overwhelming if you’re new to performance metrics

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Test your site

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Highlights

+Free and easy to run tests
+Highlights the exact LCP element and related requests
+Useful for tracking improvements over time

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