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Advanced Page Speed Test

Core Web Vitals Analysis - Mobile & Desktop

Result for: netflix.com

Tested at: 2026-04-21 02:26:13

📱 Mobile Insights
64

良好

First Contentful Paint 2.31s Needs Work
Largest Contentful Paint 2.56s Needs Work
Cumulative Layout Shift 0.03 Good
Total Blocking Time 330ms Needs Work
Speed Index 2.24s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup3ms
TCP Connection388ms
SSL Handshake388ms
Server Response (TTFB)1927ms
Content Download868ms
Total2795ms

📄 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

1927ms TTFB

Impact: High
🖥️ Desktop Insights
77

良好

First Contentful Paint 2.11s Needs Work
Largest Contentful Paint 2.15s Good
Cumulative Layout Shift 0.03 Good
Total Blocking Time 480ms Poor
Speed Index 1.71s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup11ms
TCP Connection389ms
SSL Handshake382ms
Server Response (TTFB)1758ms
Content Download376ms
Total2135ms

📄 Page Info

Page Size 515 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

1758ms TTFB

Impact: High