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Advanced Page Speed Test

Core Web Vitals Analysis - Mobile & Desktop

Result for: twitter.com

Tested at: 2026-04-20 23:20:47

Unable to access: The redirect target URL could not be parsed: Unsupported URL scheme

🖥️ Desktop Insights
85

优秀

First Contentful Paint 0.56s Good
Largest Contentful Paint 1.46s Good
Cumulative Layout Shift 0.03 Good
Total Blocking Time 500ms Poor
Speed Index 1.63s Good

⏱️ Timing Breakdown

DNS
Connect
SSL
Server
Download
DNS Lookup3ms
TCP Connection6ms
SSL Handshake10ms
Server Response (TTFB)469ms
Content Download1571ms
Total2041ms

📄 Page Info

Page Size 245 KB
HTTP Status 200

⚠️ Issues Found

⚠️

Render Blocking Resources

3 CSS/JS files block rendering

Impact: High
⚠️

Images Without Dimensions

1 images missing width/height (causes CLS)

Impact: High