Response Caching in ASP.NET Core

Response caching is a technique that allows you to cache a response from an endpoint in your application. This reduces the number of requests sent to the server, improves performance, and reduces the load on the server. In this page, we will discuss response caching in ASP.NET Core.

Syntax

To enable response caching in ASP.NET Core, you need to use the [ResponseCache] attribute. You can apply this attribute at either the controller or action level. Here is the syntax of the [ResponseCache] attribute:

[ResponseCache(Duration = cacheTimeInSeconds)]

Attribute	Description
Duration	The duration of the cache in seconds. If not specified, the response is cached indefinitely.

Example

Here's an example of how to use the [ResponseCache] attribute in your ASP.NET Core application:

[ResponseCache(Duration = 3600)]
public ActionResult Index()
{
    // code to return a view
}

In the above example, the Index action's response will be cached for 1 hour (3600 seconds).

Output

When response caching is enabled, subsequent requests for the same endpoint will be satisfied from the cache instead of being rerouted to the server. This results in faster response times and fewer requests to the server.

Explanation

Response caching allows you to cache responses from frequently accessed endpoints in your application. This helps to improve the performance of your application by reducing the load on the server and the number of requests sent.

Use

Use response caching in your ASP.NET Core application to improve the performance and scalability of your application. You can use response caching to cache the response of frequently accessed endpoints, pages, or resources that don't change frequently.

Important Points

• Enabling response caching can improve the performance and scalability of your application.
• You can apply the [ResponseCache] attribute at either the controller or action level, depending on your needs.
• If the duration is not specified, the response is cached indefinitely.

Summary

In this page, we discussed response caching in ASP.NET Core. We covered the syntax of the [ResponseCache] attribute, provided an example, and explained its output. We also discussed the benefits of using response caching, its use cases, and provided important points to keep in mind when using response caching. By caching responses, you can improve the performance and scalability of your application, resulting in a better user experience.