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Scientific American
Loading Experience
Cumulative Layout Shift Score
15
Page loads
Good (> 10)
29%
Needs Improvement (10 - 25)
63%
Poor (< 25)
6%
the 75 percentile -
15
Experimental Interaction To Next Paint
83
Page loads
Good (> 200)
91%
Needs Improvement (200 - 500)
6%
Poor (< 500)
2%
the 75 percentile -
83
Experimental Time To First Byte
591
Page loads
Good (> 800)
81%
Needs Improvement (800 - 1800)
12%
Poor (< 1800)
5%
the 75 percentile -
591
First Contentful Paint
1435ms
Page loads
Good (> 1800)
82%
Needs Improvement (1800 - 3000)
9%
Poor (< 3000)
7%
the 75 percentile -
1435ms
First Input Delay
5ms
Page loads
Good (> 100)
97%
Needs Improvement (100 - 300)
2%
Poor (< 300)
0%
the 75 percentile -
5ms
Largest Contentful Paint
1738ms
Page loads
Good (> 2500)
86%
Needs Improvement (2500 - 4000)
7%
Poor (< 4000)
6%
the 75 percentile -
1738ms