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Advanced Page Speed Test

Core Web Vitals Analysis - Mobile & Desktop

Result for: microsoft.com

Tested at: 2026-04-21 02:23:55

📱 Mobile Insights
92

优秀

First Contentful Paint 0.11s Good
Largest Contentful Paint 0.3s Good
Cumulative Layout Shift 0.05 Good
Total Blocking Time 330ms Needs Work
Speed Index 0.08s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup3ms
TCP Connection7ms
SSL Handshake14ms
Server Response (TTFB)94ms
Content Download1ms
Total95ms

📄 Page Info

Page Size 197 KB
HTTP Status 200

⚠️ Issues Found

⚠️

Render Blocking Resources

7 CSS/JS files block rendering

Impact: High
⚠️

Images Without Dimensions

2 images missing width/height (causes CLS)

Impact: High
🖥️ Desktop Insights
92

优秀

First Contentful Paint 0.06s Good
Largest Contentful Paint 0.25s Good
Cumulative Layout Shift 0.05 Good
Total Blocking Time 330ms Needs Work
Speed Index 0.04s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup3ms
TCP Connection5ms
SSL Handshake11ms
Server Response (TTFB)46ms
Content Download1ms
Total46ms

📄 Page Info

Page Size 197 KB
HTTP Status 200

⚠️ Issues Found

⚠️

Render Blocking Resources

7 CSS/JS files block rendering

Impact: High
⚠️

Images Without Dimensions

2 images missing width/height (causes CLS)

Impact: High