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Advanced Page Speed Test

Core Web Vitals Analysis - Mobile & Desktop

Result for: google.com

Tested at: 2026-04-20 23:15:48

📱 Mobile Insights
100

优秀

First Contentful Paint 0.07s Good
Largest Contentful Paint 0.26s Good
Cumulative Layout Shift 0.03 Good
Total Blocking Time 130ms Good
Speed Index 0.04s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup3ms
TCP Connection7ms
SSL Handshake8ms
Server Response (TTFB)54ms
Content Download1ms
Total55ms

📄 Page Info

Page Size 30 KB
HTTP Status 200
🖥️ Desktop Insights
77

良好

First Contentful Paint 0.12s Good
Largest Contentful Paint 0.3s Good
Cumulative Layout Shift 0.19 Needs Work
Total Blocking Time 500ms Poor
Speed Index 0.08s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup3ms
TCP Connection7ms
SSL Handshake8ms
Server Response (TTFB)96ms
Content Download2ms
Total98ms

📄 Page Info

Page Size 175 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

9 images found, consider lazy loading

Impact: Medium
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Images Without Dimensions

9 images missing width/height (causes CLS)

Impact: High