Live Demo
Real-time performance monitoring of this page. Interact with the controls below to test different scenarios.
Core Web Vitals
LCP
...--
Largest Contentful Paint
FCP
...--
First Contentful Paint
CLS
...--
Cumulative Layout Shift
FID
...--
First Input Delay
INP
...--
Interaction to Next Paint
Interactive Actions
Performance Testing
Type multiple times to see INP percentile 98 update
Injects temporary element to simulate layout shift
Error Generation
Page Load Performance
DOM Processing
Time to Interactive
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DOMContentLoaded
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DOM Complete
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Full Load
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Network Performance
DNS Lookup
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TCP Connection
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Time to First Byte
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Total Network Time
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Resource Loading
Total Resources
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Total Size
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Avg Load Time
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Third Party
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Performance Insights
Analyzing resources...
Resource Details
| Name | Domain | Type | Size | Duration | |
|---|---|---|---|---|---|
| Loading resources... | |||||
Live Activity Log
- ● System initialized