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This page details results from metrics that Google has deemed Core Web Vitals . For more information about these metrics and their significance, check out our Core Web Vitals Guide.
View as Filmstrip - View Video - About Largest Contentful Paint (LCP)
See full details
This demo is the Sky Nav menu <em>without</em> any of the strategies
applied. You should see a layout shift leading to a poor Cumulative
Layout Shift metric score.
LCP: 1631 ms
View as Filmstrip - View Video - About Cumulative Layout Shift (CLS)
Hover over any image to see the previous frame and the effect of the layout shift.
About Total Blocking Time (TBT)