How do I optimize website performance for faster loading?

Website performance optimization is crucial. Here are strategies:

1. Optimize Images

Compress images, use WebP format, implement lazy loading.

2. Minimize HTTP Requests

Combine files, use CSS sprites, inline critical CSS.

3. Enable Browser Caching

Set cache headers so browsers store static files locally.

4. Use a CDN

Serve content from servers closest to users.

5. Minify Code

Remove whitespace and comments from CSS, JS, HTML.

6. Enable Gzip Compression

Compress files before sending - reduces size by 70 percent.

7. Optimize Database

Use indexes, optimize queries, implement caching.

8. Async Loading

Load JavaScript asynchronously to prevent blocking.

My website is loading slowly and I want to improve its performance. What are the key techniques and strategies to optimize website speed and provide a better user experience?