Smartproxy>Glossary>HTTP Response

HTTP Response

An HTTP response is the server's reply to an HTTP request. It contains a status code, headers, and, optionally, a body with content or error details.

Also known as: Server response.

Comparisons

  • 2xx vs. 4xx Codes: 2xx indicates success (e.g., 200 OK), while 4xx signals client-side errors (e.g., 404 Not Found).
  • Static vs. Dynamic Responses: Static responses are pre-defined; dynamic ones are generated based on the request.

Pros

  • Informative: Includes status codes and headers for detailed feedback.
  • Flexible: Delivers content in various formats.

Cons

  • Latency: Large responses or slow servers can delay delivery.
  • Miscommunication risk: Improperly formatted responses can cause client errors.

Example

HTTP/1.1 200 OK
Content-Type: text/html
Content-Length: 125


<html>
  <head><title>Welcome</title></head>
  <body><h1>Welcome to our website!</h1></body>
</html>

This HTTP response indicates a successful request with the status code 200 OK. The headers specify the content type (text/html) and content length. The body contains the HTML content that will be displayed to the client, such as a welcome page.

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