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Advanced Page Speed Test

Core Web Vitals Analysis - Mobile & Desktop

Result for: bilibili.com

Tested at: 2026-06-11 03:58:56

📱 Mobile Insights
77

良好

First Contentful Paint 1.08s Good
Largest Contentful Paint 1.13s Good
Cumulative Layout Shift 0.23 Needs Work
Total Blocking Time 500ms Poor
Speed Index 0.77s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup8ms
TCP Connection242ms
SSL Handshake243ms
Server Response (TTFB)903ms
Content Download61ms
Total964ms

📄 Page Info

Page Size 141 KB
HTTP Status 200

⚠️ Issues Found

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Render Blocking Resources

4 CSS/JS files block rendering

Impact: High
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Many Images

11 images found, consider lazy loading

Impact: Medium
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Images Without Dimensions

11 images missing width/height (causes CLS)

Impact: High
🖥️ Desktop Insights
70

良好

First Contentful Paint 1.03s Good
Largest Contentful Paint 1.08s Good
Cumulative Layout Shift 0.27 Poor
Total Blocking Time 500ms Poor
Speed Index 0.72s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup35ms
TCP Connection264ms
SSL Handshake234ms
Server Response (TTFB)860ms
Content Download37ms
Total896ms

📄 Page Info

Page Size 109 KB
HTTP Status 200

⚠️ Issues Found

⚠️

Render Blocking Resources

9 CSS/JS files block rendering

Impact: High
💡

Many Images

13 images found, consider lazy loading

Impact: Medium
⚠️

Images Without Dimensions

13 images missing width/height (causes CLS)

Impact: High