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Advanced Page Speed Test

Core Web Vitals Analysis - Mobile & Desktop

Result for: amazon.com

Tested at: 2026-08-24 19:17:49

📱 Mobile Insights
75

良好

First Contentful Paint 4.48s Poor
Largest Contentful Paint 3.93s Needs Work
Cumulative Layout Shift 0.01 Good
Total Blocking Time 30ms Good
Speed Index 2.98s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup1493ms
TCP Connection1853ms
SSL Handshake944ms
Server Response (TTFB)3729ms
Content Download0ms
Total3729ms

📄 Page Info

Page Size 0 KB
HTTP Status 202

⚠️ Issues Found

⚠️

No Compression

Response not compressed

Impact: High
⚠️

Slow Server Response

3729ms TTFB

Impact: High
🖥️ Desktop Insights
92

优秀

First Contentful Paint 2.01s Needs Work
Largest Contentful Paint 1.88s Good
Cumulative Layout Shift 0.01 Good
Total Blocking Time 30ms Good
Speed Index 1.34s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup186ms
TCP Connection546ms
SSL Handshake367ms
Server Response (TTFB)1675ms
Content Download0ms
Total1675ms

📄 Page Info

Page Size 0 KB
HTTP Status 202

⚠️ Issues Found

⚠️

No Compression

Response not compressed

Impact: High
⚠️

Slow Server Response

1675ms TTFB

Impact: High