developer.chrome.com
Site speed audit for developer.chrome.com based on real-user data from Chrome UX Report.
Mode:
Device:
TTFB
Time to First Byte
1.5s
Good < 0.8
28.7%
Impr.
53.4%
Poor > 1.8
17.9%
FCP
First Contentful Paint
2.3s
Good < 1.8
58.6%
Impr.
25.5%
Poor > 3.0
15.9%
LCP
Largest Contentful Paint
2.8s
Good < 2.5
67.4%
Impr.
19.3%
Poor > 4.0
13.3%
INP
Interaction to Next Paint
150ms
Good < 200
82.5%
Impr.
12.5%
Poor > 500
5.0%
CLS
Cumulative Layout Shift
0.15
Good < 0.10
68.3%
Impr.
18.2%
Poor > 0.25
13.5%
Form Factors
Mobile
41.0%
Desktop
57.7%
Tablet
1.2%
Round-Trip Time
150ms
Low < 75
39.6%
Medium
48.8%
High > 275
11.6%
Navigation Types
Popularity Rank
Top 50,000
The site speed dashboard.
Track, analyze, and optimize Core Web Vitals for any domain. Get instant access to real-user Chrome UX Report data with zero configuration.
