Web Page Performance Test

A modern, high-performance web analytics tool that allows users to run Google Lighthouse audits on any website. Built with Node.js, Express, and a custom-tuned Chrome instance for accurate, reproducible results.

🚀 Live Demo: https://web-page-performance-test.beyondcloud.technology/

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📱 Mobile Friendly & Responsive

Designed with a mobile-first approach, ensuring a seamless experience across all devices.

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✨ Essential Features

• ⚡ Core Web Vitals Analysis: Comprehensive breakdown of LCP, CLS, and TBT metrics.
• 📱 Multi-Device Emulation: Toggle between Desktop (1920x1080) and Mobile (Moto G4) emulation modes.
• 🔒 User Isolation & Privacy:
  • Test history is strictly isolated per user via client-side UUIDs.
  • No shared history between different users.
• 🚀 Concurrency Queue System:
  • Intelligent backend queue prevents server overload.
  • Supports simultaneous users without crashing (FIFO processing).
• 💾 Persistent History: Automatically saves your recent test runs using a PostgreSQL database.
• 📊 Detailed Reports: Generates full HTML Lighthouse reports and JSON summaries.
• 📸 Visual Filmstrip: Captures frame-by-frame screenshots of the page load experience.

🛠️ Tech Stack

• Frontend: Vanilla HTML/CSS/JS (No framework overhead).
• Backend: Node.js, Express.
• Engine: Google Lighthouse, Chrome Launcher, Puppeteer.
• Database: PostgreSQL.
• Deployment: Automated GitHub Actions-style deployment via SSH.

🚀 Getting Started

Prerequisites

• Node.js v20+
• Chromium / Google Chrome installed
• PostgreSQL

Installation

1. Clone the repository:

   git clone https://github.com/DeNNiiInc/Web-Page-Performance-Test.git
   cd Web-Page-Performance-Test
   

2. Install dependencies:

   npm install
   

3. Start the server:

   npm start
   

   The application will run on http://localhost:3000.

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Developed and maintained by Beyond Cloud Technology.