WebPerformance Report

powered by WebPageTest

#WebPerf result for:

URL: https://claude.ai/

From: Frankfurt, Germany - (Chrome) - Mobile

Date: 2025-02-26T20:30:12

ID: 250226_BiDc3R_93F

Filmstrip - Video - Map - Opportunities - History - Frustration index (new)


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Optimization Scores

Grades for the most critical performance optimizations.

0 A+ F A
Lighthouse Perf (new)
Security score
First Byte Time
Keep-alive Enabled
A A A
Compress Transfer
Compress Images
Cache static content
Effective use of CDN


Core Web Vitals

UX Metrics for loading, visual stability, and interactivity.

LCP
CLS
TBT
3.499s 0.000 14.971s
LCP - CrUX
CLS - CrUX
INP - CrUX
TTFB - CrUX (new)
7.002s 0.080 0.500s 0.991s

Lighthouse Scores

Diagnose performance issues - 3G Fast connection.

Performance
Accessibility
Best Practices
SEO
0 91 74 92

Performance Results

High-level metrics information about the page that was tested.

First Byte
Start Render
FCP
Speed Index
0.765s 3.500s 3.499s 22.958s

Document Complete

Time
Requests
Bytes In
32.620s 105 3,996 KB

Fully Loaded

Time
Requests
Bytes In
36.376s 116 4,556 KB

Content Breakdown

Website content breakdown by MIME type.

MIME Type
Requests
Bytes
js 69 2,133KB
css 7 1,070KB
image 4 9KB
font 22 1,303KB
html 2 10KB