Page Speed Analyzer
Performance Metrics
Manual Input
HAR File
URL
Drag & drop your HAR file here or click to browse
CORS Limitation: Due to browser security restrictions, we cannot directly analyze external URLs from the client-side.
Please use one of these alternatives:
- Use the manual input tab to enter performance metrics
- Upload a HAR file from your browser's developer tools
- Set up a server proxy to bypass CORS restrictions
Performance Analysis
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Performance Score
Core Web Vitals
Largest Contentful Paint (LCP)
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First Input Delay (FID)
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Cumulative Layout Shift (CLS)
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Additional Metrics
Time to First Byte (TTFB)
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Total Page Weight
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Performance Suggestions
Asset Summary
Drag & drop your asset list (CSV) here or click to browse
Expected format: URL, Size (in bytes)
Total Asset Weight
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Top Offenders
| Asset URL | Size | Percentage |
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