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PageSpeed Insights
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Report from Jun 11, 2026, 3:32:02 PM
Showing results for URL:Ā https://jacoblab.com/?v=0b3b97fa6688
Run with original URL
Discover what your real users are experiencing
Core Web Vitals Assessment:Ā Failed
Largest Contentful Paint (LCP)
7.2 s
Page LoadsGood (≤ 2.5 s)10%Needs Improvement (2.5 s - 4 s)16%Poor (> 4 s)74%75th Percentile - 7.2 sCore Web Vital
Interaction to Next Paint (INP)
81 ms
Page LoadsGood (≤ 200 ms)99%Needs Improvement (200 ms - 500 ms)1%Poor (> 500 ms)0%75th Percentile - 81 msCore Web Vital
Cumulative Layout Shift (CLS)
0
Page LoadsGood (≤ 0.1)98%Needs Improvement (0.1 - 0.25)1%Poor (> 0.25)1%75th Percentile - 0Core Web Vital
Other Notable Metrics
First Contentful Paint (FCP)
5.9 s
Page LoadsGood (≤ 1.8 s)10%Needs Improvement (1.8 s - 3 s)14%Poor (> 3 s)76%75th Percentile - 5.9 sĀ 
Time to First Byte (TTFB)
4.6 s
Page LoadsGood (≤ 0.8 s)1%Needs Improvement (0.8 s - 1.8 s)18%Poor (> 1.8 s)81%75th Percentile - 4.6 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)
5 s
Page LoadsGood (≤ 2.5 s)25%Needs Improvement (2.5 s - 4 s)36%Poor (> 4 s)39%75th Percentile - 5 sCore Web Vital
Interaction to Next Paint (INP)
76 ms
Page LoadsGood (≤ 200 ms)97%Needs Improvement (200 ms - 500 ms)2%Poor (> 500 ms)0%75th Percentile - 76 msCore Web Vital
Cumulative Layout Shift (CLS)
0
Page LoadsGood (≤ 0.1)99%Needs Improvement (0.1 - 0.25)1%Poor (> 0.25)0%75th Percentile - 0Core Web Vital
Other Notable Metrics
First Contentful Paint (FCP)
4.3 s
Page LoadsGood (≤ 1.8 s)9%Needs Improvement (1.8 s - 3 s)41%Poor (> 3 s)50%75th Percentile - 4.3 sĀ 
Time to First Byte (TTFB)
3.8 s
Page LoadsGood (≤ 0.8 s)1%Needs Improvement (0.8 s - 1.8 s)18%Poor (> 1.8 s)82%75th Percentile - 3.8 sExperimental
Latest 28-day period
(history)
Various mobile devicesMany samples (Chrome UX Report)Full visit durationsVarious network connectionsAll Chrome versions
Diagnose performance issues
Showing results for URL:Ā https://jacoblab.com/?v=0b3b97fa6688
Run with original URL
Discover what your real users are experiencing
Core Web Vitals Assessment:Ā Failed
Largest Contentful Paint (LCP)
5.9 s
Page LoadsGood (≤ 2.5 s)22%Needs Improvement (2.5 s - 4 s)22%Poor (> 4 s)56%75th Percentile - 5.9 sCore Web Vital
Interaction to Next Paint (INP)
42 ms
Page LoadsGood (≤ 200 ms)99%Needs Improvement (200 ms - 500 ms)1%Poor (> 500 ms)0%75th Percentile - 42 msCore Web Vital
Cumulative Layout Shift (CLS)
0.06
Page LoadsGood (≤ 0.1)93%Needs Improvement (0.1 - 0.25)7%Poor (> 0.25)0%75th Percentile - 0.06Core Web Vital
Other Notable Metrics
First Contentful Paint (FCP)
4.2 s
Page LoadsGood (≤ 1.8 s)19%Needs Improvement (1.8 s - 3 s)30%Poor (> 3 s)51%75th Percentile - 4.2 sĀ 
Time to First Byte (TTFB)
3.9 s
Page LoadsGood (≤ 0.8 s)0%Needs Improvement (0.8 s - 1.8 s)19%Poor (> 1.8 s)81%75th Percentile - 3.9 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)
4.5 s
Page LoadsGood (≤ 2.5 s)34%Needs Improvement (2.5 s - 4 s)35%Poor (> 4 s)32%75th Percentile - 4.5 sCore Web Vital
Interaction to Next Paint (INP)
42 ms
Page LoadsGood (≤ 200 ms)99%Needs Improvement (200 ms - 500 ms)1%Poor (> 500 ms)0%75th Percentile - 42 msCore Web Vital
Cumulative Layout Shift (CLS)
0.06
Page LoadsGood (≤ 0.1)96%Needs Improvement (0.1 - 0.25)4%Poor (> 0.25)0%75th Percentile - 0.06Core Web Vital
Other Notable Metrics
First Contentful Paint (FCP)
3.9 s
Page LoadsGood (≤ 1.8 s)16%Needs Improvement (1.8 s - 3 s)43%Poor (> 3 s)40%75th Percentile - 3.9 sĀ 
Time to First Byte (TTFB)
3.4 s
Page LoadsGood (≤ 0.8 s)0%Needs Improvement (0.8 s - 1.8 s)26%Poor (> 1.8 s)73%75th Percentile - 3.4 sExperimental
Latest 28-day period
(history)
Various desktop devicesMany samples (Chrome UX Report)Full visit durationsVarious network connectionsAll Chrome versions
Diagnose performance issues