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Advanced Page Speed Test

Core Web Vitals Analysis - Mobile & Desktop

Result for: google.com

Tested at: 2026-04-21 00:38:56

📱 Mobile Insights
100

优秀

First Contentful Paint 0.08s Good
Largest Contentful Paint 0.27s Good
Cumulative Layout Shift 0.03 Good
Total Blocking Time 130ms Good
Speed Index 0.06s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup5ms
TCP Connection10ms
SSL Handshake10ms
Server Response (TTFB)68ms
Content Download1ms
Total69ms

📄 Page Info

Page Size 30 KB
HTTP Status 200
🖥️ Desktop Insights
77

良好

First Contentful Paint 0.14s Good
Largest Contentful Paint 0.31s Good
Cumulative Layout Shift 0.21 Needs Work
Total Blocking Time 500ms Poor
Speed Index 0.09s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup5ms
TCP Connection8ms
SSL Handshake8ms
Server Response (TTFB)113ms
Content Download2ms
Total115ms

📄 Page Info

Page Size 191 KB
HTTP Status 200

⚠️ Issues Found

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Render Blocking Resources

2 CSS/JS files block rendering

Impact: High
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Many Images

10 images found, consider lazy loading

Impact: Medium
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Images Without Dimensions

10 images missing width/height (causes CLS)

Impact: High