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National Grid plc Speed
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General
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Mobile
Desktop
Loading Experience
Cumulative Layout Shift Score
1
Page loads Good (> 10) 98% Needs Improvement (10 - 25) 1% Poor (< 25) 0% the 75 percentile - 1
Experimental Interaction To Next Paint
115
Page loads Good (> 200) 87% Needs Improvement (200 - 500) 8% Poor (< 500) 3% the 75 percentile - 115
Experimental Time To First Byte
707
Page loads Good (> 800) 80% Needs Improvement (800 - 1800) 16% Poor (< 1800) 2% the 75 percentile - 707
First Contentful Paint
1336ms
Page loads Good (> 1800) 87% Needs Improvement (1800 - 3000) 8% Poor (< 3000) 4% the 75 percentile - 1336ms
First Input Delay
3ms
Page loads Good (> 100) 98% Needs Improvement (100 - 300) 1% Poor (< 300) 0% the 75 percentile - 3ms
Largest Contentful Paint
1644ms
Page loads Good (> 2500) 89% Needs Improvement (2500 - 4000) 6% Poor (< 4000) 3% the 75 percentile - 1644ms