tc39.es
Site speed audit for tc39.es based on real-user data from Chrome UX Report.
Mode:
Device:
TTFB
Time to First Byte
0.5s
Good < 0.8
83.3%
Impr.
12.6%
Poor > 1.8
4.1%
FCP
First Contentful Paint
2.1s
Good < 1.8
70.3%
Impr.
13.6%
Poor > 3.0
16.1%
LCP
Largest Contentful Paint
1.9s
Good < 2.5
83.0%
Impr.
8.4%
Poor > 4.0
8.6%
INP
Interaction to Next Paint
475ms
Good < 200
52.8%
Impr.
23.2%
Poor > 500
24.0%
CLS
Cumulative Layout Shift
0.00
Good < 0.10
87.4%
Impr.
4.1%
Poor > 0.25
8.5%
Form Factors
Mobile
48.0%
Desktop
51.9%
Round-Trip Time
200ms
Low < 75
24.8%
Medium
61.7%
High > 275
13.5%
Navigation Types
Popularity Rank
Top 5,000,000
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