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Scientific American Speed
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Mobile
Desktop
Loading Experience
Cumulative Layout Shift Score
9
Page loads Good (> 10) 78% Needs Improvement (10 - 25) 12% Poor (< 25) 8% the 75 percentile - 9
Experimental Interaction To Next Paint
319
Page loads Good (> 200) 55% Needs Improvement (200 - 500) 31% Poor (< 500) 12% the 75 percentile - 319
Experimental Time To First Byte
647
Page loads Good (> 800) 81% Needs Improvement (800 - 1800) 13% Poor (< 1800) 4% the 75 percentile - 647
First Contentful Paint
1717ms
Page loads Good (> 1800) 77% Needs Improvement (1800 - 3000) 13% Poor (< 3000) 9% the 75 percentile - 1717ms
First Input Delay
20ms
Page loads Good (> 100) 90% Needs Improvement (100 - 300) 6% Poor (< 300) 2% the 75 percentile - 20ms
Largest Contentful Paint
2117ms
Page loads Good (> 2500) 81% Needs Improvement (2500 - 4000) 10% Poor (< 4000) 8% the 75 percentile - 2117ms