⚡

Advanced Page Speed Test

Core Web Vitals Analysis - Mobile & Desktop

Result for: cdnjs.com

Tested at: 2026-04-21 02:25:16

📱 Mobile Insights
85

优秀

First Contentful Paint 0.04s Good
Largest Contentful Paint 0.23s Good
Cumulative Layout Shift 0.05 Good
Total Blocking Time 430ms Poor
Speed Index 0.03s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup1ms
TCP Connection3ms
SSL Handshake9ms
Server Response (TTFB)30ms
Content Download1ms
Total31ms

📄 Page Info

Page Size 76 KB
HTTP Status 200

⚠️ Issues Found

⚠️

Images Without Dimensions

2 images missing width/height (causes CLS)

Impact: High
🖥️ Desktop Insights
85

优秀

First Contentful Paint 0.03s Good
Largest Contentful Paint 0.22s Good
Cumulative Layout Shift 0.05 Good
Total Blocking Time 430ms Poor
Speed Index 0.02s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup2ms
TCP Connection3ms
SSL Handshake6ms
Server Response (TTFB)23ms
Content Download1ms
Total24ms

📄 Page Info

Page Size 76 KB
HTTP Status 200

⚠️ Issues Found

⚠️

Images Without Dimensions

2 images missing width/height (causes CLS)

Impact: High