Nginx Cache
Nginx Cache is a built-in caching mechanism in the Nginx web server that stores frequently accessed content (like static files or dynamic responses) in memory or on disk to serve subsequent requests faster. It reduces server load and improves website performance by minimizing repeated processing of identical requests. This feature is configurable through directives in Nginx configuration files, allowing fine-tuned control over what to cache and for how long.
Developers should use Nginx Cache when building high-traffic websites or applications to enhance speed and scalability, as it significantly cuts down response times for static assets (e.g., images, CSS, JavaScript) and can cache dynamic content like API responses. It's particularly useful in scenarios where backend servers are under heavy load, such as e-commerce sites or content delivery networks, to offload processing and reduce latency for users.