What is caching and how does it improve web performance?

What is caching and how does it improve web performance?

Caching is the process of storing copies of files or data in a temporary storage location for quick access. It improves web performance by reducing the time it takes to retrieve data, thus speeding up page load times.

What types of caching are commonly used in web development?

Common types of caching include browser caching, server-side caching, and CDN (Content Delivery Network) caching. Each type serves to reduce load times and server strain.

How can I implement caching on my website?

You can implement caching by using HTTP headers to control browser caching, setting up server-side caching with tools like Redis or Memcached, and utilizing a CDN to cache static assets.

Are there any downsides to caching?

Yes, caching can lead to stale data if not managed properly. It's important to implement cache invalidation strategies to ensure users receive the most up-to-date content.