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Advanced Page Speed Test

Core Web Vitals Analysis - Mobile & Desktop

Result for: netflix.com

Tested at: 2026-04-27 21:30:42

📱 Mobile Insights
82

优秀

First Contentful Paint 1.6s Good
Largest Contentful Paint 1.89s Good
Cumulative Layout Shift 0.03 Good
Total Blocking Time 330ms Needs Work
Speed Index 1.63s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup6ms
TCP Connection202ms
SSL Handshake373ms
Server Response (TTFB)1337ms
Content Download703ms
Total2040ms

📄 Page Info

Page Size 2146 KB
HTTP Status 200

⚠️ Issues Found

⚠️

Render Blocking Resources

1 CSS/JS files block rendering

Impact: High
⚠️

Images Without Dimensions

1 images missing width/height (causes CLS)

Impact: High
⚠️

Large Page Size

2146 KB, consider compression

Impact: High
⚠️

Slow Server Response

1337ms TTFB

Impact: High
🖥️ Desktop Insights
77

良好

First Contentful Paint 1.91s Needs Work
Largest Contentful Paint 1.96s Good
Cumulative Layout Shift 0.03 Good
Total Blocking Time 480ms Poor
Speed Index 1.54s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup5ms
TCP Connection209ms
SSL Handshake396ms
Server Response (TTFB)1588ms
Content Download341ms
Total1929ms

📄 Page Info

Page Size 526 KB
HTTP Status 200

⚠️ Issues Found

⚠️

Render Blocking Resources

2 CSS/JS files block rendering

Impact: High
⚠️

Images Without Dimensions

1 images missing width/height (causes CLS)

Impact: High
⚠️

Slow Server Response

1588ms TTFB

Impact: High