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National Grid plc Speed
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General
Infinite Scroll
Open Links in a New Tab
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Mobile
Desktop
Loading Experience
Cumulative Layout Shift Score
4
Page loads Good (> 10) 98% Needs Improvement (10 - 25) 0% Poor (< 25) 0% the 75 percentile - 4
Experimental Interaction To Next Paint
175
Page loads Good (> 200) 80% Needs Improvement (200 - 500) 16% Poor (< 500) 2% the 75 percentile - 175
Experimental Time To First Byte
878
Page loads Good (> 800) 71% Needs Improvement (800 - 1800) 21% Poor (< 1800) 6% the 75 percentile - 878
First Contentful Paint
1393ms
Page loads Good (> 1800) 85% Needs Improvement (1800 - 3000) 8% Poor (< 3000) 5% the 75 percentile - 1393ms
First Input Delay
18ms
Page loads Good (> 100) 92% Needs Improvement (100 - 300) 6% Poor (< 300) 1% the 75 percentile - 18ms
Largest Contentful Paint
1749ms
Page loads Good (> 2500) 87% Needs Improvement (2500 - 4000) 7% Poor (< 4000) 5% the 75 percentile - 1749ms