What Is a Browser Cache, and Why Is it Important?
When a user visits a website, the browser requests the necessary files from the web server, which are rendered on the user's screen. To avoid repeatedly requesting the same resources and expedite the loading process, the browser cache stores copies of these files locally. When the user revisits the site or navigates to a different page within the same site, the browser can quickly load the cached resources, reducing the amount of data that needs to be fetched from the web server.
The browser cache operates based on a set of caching policies and directives defined by web developers and browser vendors. These directives govern aspects such as cache duration, validation, and expiration. The cache duration determines how long a cached resource should be considered valid, while the validation process ensures that the cached resource is up-to-date with its counterpart on the web server. Cache expiration, on the other hand, dictates when the browser should discard cached resources, thus freeing up storage space.
By leveraging caching mechanisms, browsers can enhance the user experience by reducing load times, minimizing network traffic, and conserving bandwidth.
Caching improves and speeds up browsing, essential to making customers feel comfortable and encouraging conversions.
Dig deeper into the topic with our event-Driven HTTP caching for eCommerce post.