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
83.9%
Impr.
13.5%
Poor > 1.8
2.7%
FCP
First Contentful Paint
1.5s
Good < 1.8
79.4%
Impr.
9.8%
Poor > 3.0
10.8%
LCP
Largest Contentful Paint
1.4s
Good < 2.5
87.4%
Impr.
7.1%
Poor > 4.0
5.5%
INP
Interaction to Next Paint
75ms
Good < 200
82.0%
Impr.
6.6%
Poor > 500
11.4%
CLS
Cumulative Layout Shift
0.35
Good < 0.10
51.4%
Impr.
14.7%
Poor > 0.25
33.9%
Form Factors
Mobile
48.0%
Desktop
51.9%
Round-Trip Time
100ms
Low < 75
56.1%
Medium
38.3%
High > 275
5.6%
Navigation Types
Popularity Rank
Top 5,000,000
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