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Advanced Page Speed Test

Core Web Vitals Analysis - Mobile & Desktop

Result for: linkedin.com

Tested at: 2026-04-21 00:39:08

📱 Mobile Insights
84

优秀

First Contentful Paint 0.69s Good
Largest Contentful Paint 0.78s Good
Cumulative Layout Shift 0.13 Needs Work
Total Blocking Time 330ms Needs Work
Speed Index 0.46s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup3ms
TCP Connection7ms
SSL Handshake25ms
Server Response (TTFB)574ms
Content Download1ms
Total575ms

📄 Page Info

Page Size 135 KB
HTTP Status 200

⚠️ Issues Found

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Render Blocking Resources

1 CSS/JS files block rendering

Impact: High
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Many Images

6 images found, consider lazy loading

Impact: Medium
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Images Without Dimensions

6 images missing width/height (causes CLS)

Impact: High
🖥️ Desktop Insights
84

优秀

First Contentful Paint 0.6s Good
Largest Contentful Paint 0.71s Good
Cumulative Layout Shift 0.15 Needs Work
Total Blocking Time 330ms Needs Work
Speed Index 0.41s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup3ms
TCP Connection7ms
SSL Handshake18ms
Server Response (TTFB)502ms
Content Download5ms
Total507ms

📄 Page Info

Page Size 141 KB
HTTP Status 200

⚠️ Issues Found

⚠️

Render Blocking Resources

1 CSS/JS files block rendering

Impact: High
💡

Many Images

7 images found, consider lazy loading

Impact: Medium
⚠️

Images Without Dimensions

7 images missing width/height (causes CLS)

Impact: High