NHS Digital Speed

Loading Experience

Cumulative Layout Shift Score

Page loads Good (> 10) 91% Needs Improvement (10 - 25) 5% Poor (< 25) 2%

the 75 percentile - 5

Experimental Interaction To Next Paint

146

Page loads Good (> 200) 85% Needs Improvement (200 - 500) 11% Poor (< 500) 2%

the 75 percentile - 146

Experimental Time To First Byte

488

Page loads Good (> 800) 89% Needs Improvement (800 - 1800) 8% Poor (< 1800) 2%

the 75 percentile - 488

First Contentful Paint

1030ms

Page loads Good (> 1800) 91% Needs Improvement (1800 - 3000) 5% Poor (< 3000) 2%

the 75 percentile - 1030ms

First Input Delay

16ms

Page loads Good (> 100) 97% Needs Improvement (100 - 300) 1% Poor (< 300) 0%

the 75 percentile - 16ms

Largest Contentful Paint

1515ms

Page loads Good (> 2500) 91% Needs Improvement (2500 - 4000) 5% Poor (< 4000) 3%

the 75 percentile - 1515ms