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
83.6%
Impr.
13.0%
Poor > 1.8
3.4%
FCP
First Contentful Paint
1.7s
Good < 1.8
75.0%
Impr.
11.6%
Poor > 3.0
13.4%
LCP
Largest Contentful Paint
1.6s
Good < 2.5
85.5%
Impr.
7.7%
Poor > 4.0
6.8%
INP
Interaction to Next Paint
300ms
Good < 200
67.8%
Impr.
14.6%
Poor > 500
17.6%
CLS
Cumulative Layout Shift
0.15
Good < 0.10
68.8%
Impr.
9.6%
Poor > 0.25
21.6%
Form Factors
Mobile
48.0%
Desktop
51.9%
Round-Trip Time
150ms
Low < 75
41.1%
Medium
49.5%
High > 275
9.4%
Navigation Types
Popularity Rank
Top 5,000,000
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