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Advanced Page Speed Test

Core Web Vitals Analysis - Mobile & Desktop

Result for: linkedin.com

Tested at: 2026-04-20 23:16:14

📱 Mobile Insights
84

优秀

First Contentful Paint 0.66s Good
Largest Contentful Paint 0.75s Good
Cumulative Layout Shift 0.13 Needs Work
Total Blocking Time 280ms Needs Work
Speed Index 0.44s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup4ms
TCP Connection7ms
SSL Handshake26ms
Server Response (TTFB)551ms
Content Download4ms
Total555ms

📄 Page Info

Page Size 134 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 0.74s Good
Largest Contentful Paint 0.94s Good
Cumulative Layout Shift 0.15 Needs Work
Total Blocking Time 330ms Needs Work
Speed Index 0.69s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup3ms
TCP Connection6ms
SSL Handshake17ms
Server Response (TTFB)620ms
Content Download247ms
Total867ms

📄 Page Info

Page Size 141 KB
HTTP Status 200

⚠️ Issues Found

⚠️

Render Blocking Resources

1 CSS/JS files block rendering

Impact: High
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Many Images

7 images found, consider lazy loading

Impact: Medium
⚠️

Images Without Dimensions

7 images missing width/height (causes CLS)

Impact: High