istanbul.js.org
Site speed audit for istanbul.js.org based on real-user data from Chrome UX Report.
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LCP
Largest Contentful Paint
0.9s
Good < 2.5
98.2%
Impr.
0.8%
Poor ≥ 4.0
1.0%
INP
Interaction to Next Paint
25ms
Good < 200
89.5%
Impr.
8.9%
Poor ≥ 500
1.6%
CLS
Cumulative Layout Shift
0.10
Good < 0.10
72.0%
Impr.
15.3%
Poor ≥ 0.25
12.7%
TTFB
Time to First Byte
0.5s
Good < 0.8
86.3%
Impr.
10.5%
Poor ≥ 1.8
3.2%
FCP
First Contentful Paint
0.8s
Good < 1.8
96.4%
Impr.
2.1%
Poor ≥ 3.0
1.5%
Form Factors
Desktop
100.0%
Round-Trip Time
100ms
Low < 75
56.4%
Medium
38.5%
High > 275
5.1%
Popularity Rank
Top 50,000,000
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