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Advanced Page Speed Test

Core Web Vitals Analysis - Mobile & Desktop

Result for: zhihu.com

Tested at: 2026-04-21 02:27:22

📱 Mobile Insights
85

优秀

First Contentful Paint 0.43s Good
Largest Contentful Paint 0.58s Good
Cumulative Layout Shift 0.07 Good
Total Blocking Time 500ms Poor
Speed Index 0.32s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup3ms
TCP Connection38ms
SSL Handshake118ms
Server Response (TTFB)361ms
Content Download34ms
Total395ms

📄 Page Info

Page Size 132 KB
HTTP Status 200

⚠️ Issues Found

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Render Blocking Resources

34 CSS/JS files block rendering

Impact: High
⚠️

Images Without Dimensions

1 images missing width/height (causes CLS)

Impact: High
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Too Many Scripts

32 JS files, consider bundling

Impact: Medium
🖥️ Desktop Insights
85

优秀

First Contentful Paint 0.47s Good
Largest Contentful Paint 0.6s Good
Cumulative Layout Shift 0.07 Good
Total Blocking Time 500ms Poor
Speed Index 0.32s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup3ms
TCP Connection41ms
SSL Handshake83ms
Server Response (TTFB)392ms
Content Download5ms
Total397ms

📄 Page Info

Page Size 44 KB
HTTP Status 200

⚠️ Issues Found

⚠️

Render Blocking Resources

19 CSS/JS files block rendering

Impact: High
⚠️

Images Without Dimensions

2 images missing width/height (causes CLS)

Impact: High
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Too Many Scripts

18 JS files, consider bundling

Impact: Medium