Free Performance Tool
Network Performance Analyzer
Analyze all network requests, identify broken resources, measure performance timings, and capture the fully rendered HTML with JavaScript execution support.
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Total Requests
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Transfer Size
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Load Time
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Broken
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Slow
Analyzed URL
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Resource Breakdown
Distribution of requests by resource type
Performance Waterfall
Time breakdown of page load phases
Slowest Requests
Top 10 requests by duration
Performance Timing
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DNS Lookup
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TCP Connect
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SSL Handshake
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TTFB
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DOM Interactive
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DOM Loaded
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DOM Complete
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Load Event
Resources by Type
Network Requests
| URL | Type | Status | Size | Duration | TTFB |
|---|
Showing 0-0 of 0 requests
What Does This Tool Analyze?
Network Requests
Captures all HTTP requests including scripts, styles, images, XHR, and fetch calls with detailed timing.
Performance Timing
Measures DNS lookup, TCP connection, SSL handshake, TTFB, and DOM timing events.
Broken Resources
Identifies 4xx and 5xx errors to help you fix broken links, missing assets, and failed API calls.
Rendered HTML
Captures the fully rendered DOM after JavaScript execution - ideal for debugging SPAs.
Build High-Performance Web Applications
We specialize in creating fast, reliable web applications with optimized network performance, efficient asset loading, and modern best practices for exceptional user experiences.
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