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/

📱 Mobile Friendly & Responsive

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

✨ 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

Clone the repository:

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

Install dependencies:
```
npm install
```
Start the server:
```
npm start
```
The application will run on http://localhost:3000.

Developed and maintained by Beyond Cloud Technology.

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