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Speed up your app: proven techniques for Frontend-optimization

Barbara Streisand
Barbara StreisandOriginal
2024-12-10 03:20:13331browse

Speed up your app: proven techniques for Frontend-optimization

Optimizing frontend applications requires careful attention to performance bottlenecks. Let’s dive into a few strategies for making sure your app is fast and efficient.

Minimize CSS and JavaScript files:

Reduce bundle sizes by minifying CSS and JavaScript. Consider tree-shaking to eliminate unused code. Smaller files mean fewer bytes over the wire and quicker load times.

Use caching:

Leverage browser and CDN caching to avoid redundant requests. Use Cache-Control headers to define caching policies. For static assets, implement long-term caching with hashed filenames to ensure cache validity when content updates.

Load images with lazy loading:

Defer loading non-critical images until they enter the viewport. Use the loading="lazy" attribute on Speed up your app: proven techniques for Frontend-optimization tags to improve initial page speed and reduce blocking. For more advanced cases, consider Intersection Observer API for custom control.

Optimize API requests:

Minimize the number of requests with batching or use GraphQL to query exactly what you need. Enable compression like Gzip or Brotli for responses. Use HTTP/2 multiplexing for parallel requests to reduce latency.

Combining these strategies helps achieve significant performance gains.

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