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PageSpeed Insights
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Report from Jun 28, 2025, 4:24:38ā€ÆPM
Showing results for URL:Ā https://wwwm.youtube.com/watch?v=GMVmheRlR44
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Core Web Vitals Assessment:Ā Failed
Largest Contentful Paint (LCP)
2.1 s
Page LoadsGood (ā‰¤ 2.5 s)81%Needs Improvement (2.5 s - 4 s)10%Poor (> 4 s)9%75th Percentile - 2.1 sCore Web Vital
Interaction to Next Paint (INP)
345 ms
Page LoadsGood (ā‰¤ 200 ms)58%Needs Improvement (200 ms - 500 ms)26%Poor (> 500 ms)17%75th Percentile - 345 msCore Web Vital
Cumulative Layout Shift (CLS)
0.08
Page LoadsGood (ā‰¤ 0.1)79%Needs Improvement (0.1 - 0.25)9%Poor (> 0.25)11%75th Percentile - 0.08Core Web Vital
Other Notable Metrics
First Contentful Paint (FCP)
2 s
Page LoadsGood (ā‰¤ 1.8 s)71%Needs Improvement (1.8 s - 3 s)16%Poor (> 3 s)13%75th Percentile - 2 sĀ 
Time to First Byte (TTFB)
1 s
Page LoadsGood (ā‰¤ 0.8 s)64%Needs Improvement (0.8 s - 1.8 s)24%Poor (> 1.8 s)11%75th Percentile - 1 sExperimental
Latest 28-day period
(history)Various mobile devicesMany samples (Chrome UX Report)Full visit durationsVarious network connectionsAll Chrome versions
Core Web Vitals Assessment:Ā Failed
Largest Contentful Paint (LCP)
4.5 s
Page LoadsGood (ā‰¤ 2.5 s)51%Needs Improvement (2.5 s - 4 s)20%Poor (> 4 s)29%75th Percentile - 4.5 sCore Web Vital
Interaction to Next Paint (INP)
314 ms
Page LoadsGood (ā‰¤ 200 ms)59%Needs Improvement (200 ms - 500 ms)27%Poor (> 500 ms)14%75th Percentile - 314 msCore Web Vital
Cumulative Layout Shift (CLS)
0.16
Page LoadsGood (ā‰¤ 0.1)63%Needs Improvement (0.1 - 0.25)16%Poor (> 0.25)21%75th Percentile - 0.16Core Web Vital
Other Notable Metrics
First Contentful Paint (FCP)
2.9 s
Page LoadsGood (ā‰¤ 1.8 s)52%Needs Improvement (1.8 s - 3 s)25%Poor (> 3 s)24%75th Percentile - 2.9 sĀ 
Time to First Byte (TTFB)
1 s
Page LoadsGood (ā‰¤ 0.8 s)67%Needs Improvement (0.8 s - 1.8 s)22%Poor (> 1.8 s)11%75th Percentile - 1 sExperimental
Latest 28-day period
(history)Various mobile devicesMany samples (Chrome UX Report)Full visit durationsVarious network connectionsAll Chrome versions
Diagnose performance issues
Discover what your real users are experiencing
Core Web Vitals Assessment:Ā Failed
Largest Contentful Paint (LCP)
3.4 s
Page LoadsGood (ā‰¤ 2.5 s)62%Needs Improvement (2.5 s - 4 s)18%Poor (> 4 s)20%75th Percentile - 3.4 sCore Web Vital
Interaction to Next Paint (INP)
176 ms
Page LoadsGood (ā‰¤ 200 ms)78%Needs Improvement (200 ms - 500 ms)14%Poor (> 500 ms)7%75th Percentile - 176 msCore Web Vital
Cumulative Layout Shift (CLS)
0.19
Page LoadsGood (ā‰¤ 0.1)53%Needs Improvement (0.1 - 0.25)28%Poor (> 0.25)18%75th Percentile - 0.19Core Web Vital
Other Notable Metrics
First Contentful Paint (FCP)
1.3 s
Page LoadsGood (ā‰¤ 1.8 s)86%Needs Improvement (1.8 s - 3 s)7%Poor (> 3 s)7%75th Percentile - 1.3 sĀ 
Time to First Byte (TTFB)
0.3 s
Page LoadsGood (ā‰¤ 0.8 s)92%Needs Improvement (0.8 s - 1.8 s)5%Poor (> 1.8 s)4%75th Percentile - 0.3 sExperimental
Latest 28-day period
(history)Various desktop devicesMany samples (Chrome UX Report)Full visit durationsVarious network connectionsAll Chrome versions
Core Web Vitals Assessment:Ā Failed
Largest Contentful Paint (LCP)
5.1 s
Page LoadsGood (ā‰¤ 2.5 s)28%Needs Improvement (2.5 s - 4 s)35%Poor (> 4 s)37%75th Percentile - 5.1 sCore Web Vital
Interaction to Next Paint (INP)
230 ms
Page LoadsGood (ā‰¤ 200 ms)71%Needs Improvement (200 ms - 500 ms)18%Poor (> 500 ms)11%75th Percentile - 230 msCore Web Vital
Cumulative Layout Shift (CLS)
0.25
Page LoadsGood (ā‰¤ 0.1)50%Needs Improvement (0.1 - 0.25)23%Poor (> 0.25)27%75th Percentile - 0.25Core Web Vital
Other Notable Metrics
First Contentful Paint (FCP)
2.9 s
Page LoadsGood (ā‰¤ 1.8 s)39%Needs Improvement (1.8 s - 3 s)38%Poor (> 3 s)22%75th Percentile - 2.9 sĀ 
Time to First Byte (TTFB)
0.4 s
Page LoadsGood (ā‰¤ 0.8 s)87%Needs Improvement (0.8 s - 1.8 s)7%Poor (> 1.8 s)6%75th Percentile - 0.4 sExperimental
Latest 28-day period
(history)Various desktop devicesMany samples (Chrome UX Report)Full visit durationsVarious network connectionsAll Chrome versions
Diagnose performance issues