What is cache expiration and why is it important?

What is cache expiration and why is it important?

Cache expiration refers to the time period after which cached data is considered stale and needs to be refreshed. It's crucial for ensuring users receive the most up-to-date content.

How does cache expiration affect website performance?

Proper cache expiration can significantly improve website performance by reducing load times and server requests, ensuring users access fresh content efficiently.

What are some common strategies for setting cache expiration?

Common strategies include using 'max-age' headers, setting 'Expires' headers, and implementing cache-busting techniques to control when content is refreshed.

Can you explain the difference between short-term and long-term cache expiration?

Short-term cache expiration is used for frequently changing content, while long-term expiration is for static resources that don't change often.