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Advanced Page Speed Test

Core Web Vitals Analysis - Mobile & Desktop

Result for: sina.com.cn

Tested at: 2026-07-04 03:50:15

📱 Mobile Insights
70

良好

First Contentful Paint 1.02s Good
Largest Contentful Paint 1.09s Good
Cumulative Layout Shift 0.5 Poor
Total Blocking Time 500ms Poor
Speed Index 0.74s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup86ms
TCP Connection354ms
SSL Handshake204ms
Server Response (TTFB)851ms
Content Download76ms
Total927ms

📄 Page Info

Page Size 138 KB
HTTP Status 200

⚠️ Issues Found

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Render Blocking Resources

11 CSS/JS files block rendering

Impact: High
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Many Images

73 images found, consider lazy loading

Impact: Medium
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Images Without Dimensions

2 images missing width/height (causes CLS)

Impact: High
🖥️ Desktop Insights
70

良好

First Contentful Paint 0.16s Good
Largest Contentful Paint 0.33s Good
Cumulative Layout Shift 0.5 Poor
Total Blocking Time 500ms Poor
Speed Index 0.11s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup3ms
TCP Connection41ms
SSL Handshake47ms
Server Response (TTFB)129ms
Content Download4ms
Total133ms

📄 Page Info

Page Size 394 KB
HTTP Status 200

⚠️ Issues Found

⚠️

Render Blocking Resources

29 CSS/JS files block rendering

Impact: High
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Many Images

90 images found, consider lazy loading

Impact: Medium
⚠️

Images Without Dimensions

30 images missing width/height (causes CLS)

Impact: High
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Too Many Scripts

28 JS files, consider bundling

Impact: Medium