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https://github.com/DeNNiiInc/Web-Page-Performance-Test.git
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Add Waterfall Chart & Request Inspector
Features Added: - Interactive waterfall timeline visualization - Color-coded timing bars (DNS, Connect, SSL, TTFB, Download) - Request filtering by resource type (HTML, JS, CSS, Images, Fonts) - Detailed request inspector dialog with timing breakdown - HAR data extraction from Lighthouse results - Size/compression metrics display - Third-party resource identification - Render-blocking resource detection Technical Implementation: - Created lib/har-parser.js for network data extraction - Built waterfall.html with SVG-based timeline renderer - Added waterfall.js with interactive controls - Integrated HAR generation into test runner workflow - Updated main UI with View Waterfall link
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waterfall.html
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waterfall.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Waterfall View - Web Page Performance Test</title>
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<link rel="icon" type="image/png" href="Logo.png">
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<link rel="stylesheet" href="styles.css?v=3.0">
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<style>
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.waterfall-container {
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margin: 2rem auto;
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max-width: 1400px;
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background: var(--color-bg-secondary);
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padding: 2rem;
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border-radius: 12px;
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}
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.waterfall-canvas {
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width: 100%;
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overflow-x: auto;
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background: white;
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border-radius: 8px;
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padding: 1rem;
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}
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.waterfall-row {
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display: flex;
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align-items: center;
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height: 25px;
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margin-bottom: 2px;
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cursor: pointer;
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transition: background 0.2s ease;
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}
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.waterfall-row:hover {
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background: rgba(114, 9, 183, 0.1);
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}
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.request-label {
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width: 300px;
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padding: 0 10px;
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font-size: 12px;
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color: var(--color-text-primary);
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap;
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}
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.timeline {
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flex: 1;
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position: relative;
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height: 20px;
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}
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.timing-bar {
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position: absolute;
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height: 18px;
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border-radius: 2px;
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opacity: 0.8;
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transition: opacity 0.2s ease;
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}
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.timing-bar:hover {
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opacity: 1;
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}
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.bar-dns { background: #4CAF50; }
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.bar-connect { background: #2196F3; }
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.bar-ssl { background: #FFC107; }
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.bar-wait { background: #9C27B0; }
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.bar-receive { background: #00BCD4; }
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.request-dialog {
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display: none;
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position: fixed;
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top: 50%;
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left: 50%;
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transform: translate(-50%, -50%);
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background: white;
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padding: 2rem;
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border-radius: 12px;
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box-shadow: 0 10px 40px rgba(0,0,0,0.3);
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max-width: 800px;
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max-height: 80vh;
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overflow-y: auto;
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z-index: 1000;
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}
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.dialog-overlay {
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display: none;
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position: fixed;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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background: rgba(0,0,0,0.5);
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z-index: 999;
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}
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.dialog-header {
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display: flex;
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justify-content: space-between;
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align-items: center;
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margin-bottom: 1.5rem;
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padding-bottom: 1rem;
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border-bottom: 2px solid var(--color-border);
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}
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.close-btn {
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background: none;
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border: none;
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font-size: 24px;
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cursor: pointer;
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color: var(--color-text-secondary);
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}
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.close-btn:hover {
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color: var(--color-accent);
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}
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.detail-section {
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margin-bottom: 1.5rem;
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}
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.detail-section h3 {
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color: var(--color-accent);
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margin-bottom: 0.5rem;
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font-size: 1.1rem;
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}
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.detail-row {
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padding: 0.5rem 0;
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border-bottom: 1px solid var(--color-border-light);
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}
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.detail-label {
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font-weight: 600;
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color: var(--color-text-secondary);
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display: inline-block;
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width: 200px;
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}
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.detail-value {
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color: var(--color-text-primary);
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}
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.filter-controls {
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margin-bottom: 1.5rem;
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display: flex;
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gap: 1rem;
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flex-wrap: wrap;
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}
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.filter-btn {
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padding: 0.5rem 1rem;
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background: var(--color-bg-tertiary);
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border: 2px solid var(--color-border);
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border-radius: 8px;
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cursor: pointer;
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transition: all 0.2s ease;
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}
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.filter-btn:hover {
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background: var(--color-accent);
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color: white;
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border-color: var(--color-accent);
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}
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.filter-btn.active {
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background: var(--color-accent);
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color: white;
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border-color: var(--color-accent);
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}
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</style>
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</head>
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<body>
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<div class="waterfall-container">
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<h1>Request Waterfall</h1>
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<div class="filter-controls" id="filterControls">
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<button class="filter-btn active" data-type="all">All</button>
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<button class="filter-btn" data-type="Document">HTML</button>
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<button class="filter-btn" data-type="Script">JS</button>
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<button class="filter-btn" data-type="Stylesheet">CSS</button>
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<button class="filter-btn" data-type="Image">Images</button>
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<button class="filter-btn" data-type="Font">Fonts</button>
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</div>
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<div class="waterfall-canvas" id="waterfallCanvas"></div>
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</div>
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<div class="dialog-overlay" id="dialogOverlay"></div>
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<div class="request-dialog" id="requestDialog">
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<div class="dialog-header">
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<h2 id="dialogTitle">Request Details</h2>
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<button class="close-btn" id="closeDialog">×</button>
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</div>
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<div id="dialogContent"></div>
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</div>
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<script src="waterfall.js"></script>
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</body>
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</html>
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