tc39.es
Site speed audit for tc39.es based on real-user data from Chrome UX Report.
Mode:
Device:
TTFB
Time to First Byte
0.6s
Good < 0.8
84.4%
Impr.
12.3%
Poor > 1.8
3.3%
FCP
First Contentful Paint
1.6s
Good < 1.8
77.3%
Impr.
10.6%
Poor > 3.0
12.1%
LCP
Largest Contentful Paint
1.5s
Good < 2.5
88.0%
Impr.
6.4%
Poor > 4.0
5.6%
INP
Interaction to Next Paint
252ms
Good < 200
71.3%
Impr.
13.1%
Poor > 500
15.6%
CLS
Cumulative Layout Shift
0.13
Good < 0.10
73.0%
Impr.
8.8%
Poor > 0.25
18.2%
Form Factors
Mobile
53.5%
Desktop
46.6%
Round-Trip Time
164ms
Low < 75
36.7%
Medium
55.5%
High > 275
7.8%
Navigation Types
LCP Resource Types
Text
100.0%
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