Web Performance Optimization

1. Introduction

Web performance optimization is the practice of increasing the speed and efficiency of a website. It involves various techniques and best practices aimed at improving user experience and ensuring that web applications load quickly and run smoothly.

2. Key Concepts

3. Best Practices

• Optimize Images: Use appropriate formats (JPEG for photos, PNG for graphics).
• Minify CSS and JavaScript: Reduce file sizes by removing unnecessary characters.
• Use a Content Delivery Network (CDN): Distribute content closer to users.
• Enable Compression: Utilize Gzip or Brotli to compress resources.
• Leverage Browser Caching: Store frequently accessed resources in the user's browser.
• Reduce HTTP Requests: Combine files where possible to minimize requests.

4. Code Examples

4.1. Minifying CSS

/* Original CSS */
body {
    background-color: white;
    color: black;
    font-size: 16px;
}

/* Minified CSS */
body{background-color:#fff;color:#000;font-size:16px;}
                

4.2. Enabling Gzip Compression in Apache

# Enable Gzip Compression

    AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css application/javascript application/json

                

5. FAQ