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Advanced Page Speed Test

Core Web Vitals Analysis - Mobile & Desktop

Result for: zhihu.com

Tested at: 2026-06-11 03:49:04

📱 Mobile Insights
85

优秀

First Contentful Paint 0.39s Good
Largest Contentful Paint 0.55s Good
Cumulative Layout Shift 0.05 Good
Total Blocking Time 500ms Poor
Speed Index 0.29s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup5ms
TCP Connection41ms
SSL Handshake79ms
Server Response (TTFB)325ms
Content Download39ms
Total364ms

📄 Page Info

Page Size 148 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 0.45s Good
Largest Contentful Paint 0.58s Good
Cumulative Layout Shift 0.07 Good
Total Blocking Time 500ms Poor
Speed Index 0.3s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup4ms
TCP Connection42ms
SSL Handshake83ms
Server Response (TTFB)372ms
Content Download5ms
Total377ms

📄 Page Info

Page Size 44 KB
HTTP Status 200

⚠️ Issues Found

⚠️

Render Blocking Resources

23 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

22 JS files, consider bundling

Impact: Medium