Fill in the blank: ___ happens when the server saves the result of a single render and serves that same result when requested again.
- Server-side caching
- JavaScript rendering
- Minification
- Client-side caching
Explanation: Server-side caching is the correct answer. Server-side caching refers to the process wherein the server stores the result of a particular operation, such as rendering a web page, and serves that cached result to subsequent requests for the same operation. This caching mechanism significantly reduces the server’s workload and improves the response time for users accessing the same content repeatedly or concurrently. By caching frequently accessed content or dynamically generated pages, the server can avoid redundant processing and database queries, thereby enhancing the overall performance and scalability of the website or web application. Server-side caching mechanisms often involve storing cached data in memory or on disk, utilizing techniques such as HTTP caching headers, reverse proxies, content delivery networks (CDNs), or server-side caching plugins. Implementing effective server-side caching strategies is essential for optimizing web performance, reducing server load, and ensuring a seamless user experience.