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Advanced Page Speed Test

Core Web Vitals Analysis - Mobile & Desktop

Result for: instagram.com

Tested at: 2026-04-21 02:27:10

📱 Mobile Insights
85

优秀

First Contentful Paint 0.46s Good
Largest Contentful Paint 0.68s Good
Cumulative Layout Shift 0.05 Good
Total Blocking Time 500ms Poor
Speed Index 0.45s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup3ms
TCP Connection6ms
SSL Handshake8ms
Server Response (TTFB)385ms
Content Download182ms
Total567ms

📄 Page Info

Page Size 782 KB
HTTP Status 200

⚠️ Issues Found

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Render Blocking Resources

52 CSS/JS files block rendering

Impact: High
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Too Many Scripts

51 JS files, consider bundling

Impact: Medium
🖥️ Desktop Insights
85

优秀

First Contentful Paint 0.51s Good
Largest Contentful Paint 0.78s Good
Cumulative Layout Shift 0.05 Good
Total Blocking Time 500ms Poor
Speed Index 0.59s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup3ms
TCP Connection6ms
SSL Handshake8ms
Server Response (TTFB)421ms
Content Download322ms
Total742ms

📄 Page Info

Page Size 571 KB
HTTP Status 200

⚠️ Issues Found

⚠️

Render Blocking Resources

42 CSS/JS files block rendering

Impact: High
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Too Many Scripts

50 JS files, consider bundling

Impact: Medium