istanbul.js.org
Site speed audit for istanbul.js.org based on real-user data from Chrome UX Report.
Mode:
Device:
TTFB
Time to First Byte
0.6s
Good < 0.8
80.8%
Impr.
13.7%
Poor > 1.8
5.5%
FCP
First Contentful Paint
0.9s
Good < 1.8
90.0%
Impr.
5.3%
Poor > 3.0
4.7%
LCP
Largest Contentful Paint
1.0s
Good < 2.5
93.5%
Impr.
3.6%
Poor > 4.0
2.9%
INP
Interaction to Next Paint
25ms
Good < 200
94.2%
Impr.
3.4%
Poor > 500
2.4%
CLS
Cumulative Layout Shift
0.05
Good < 0.10
75.7%
Impr.
19.6%
Poor > 0.25
4.7%
Form Factors
Desktop
100.0%
Round-Trip Time
100ms
Low < 75
53.1%
Medium
40.0%
High > 275
6.9%
Popularity Rank
Top 50,000,000
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