It was used to indicate to the browser

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302: Found Indicates that a resource has changed location, but has been found where it was not expected. This code indicates that the relocation of the page or resource is temporary. The client will not need to update their link and the redirect will be temporary. 303: See others Indicates that the resource requested by the browser, via post, put, or delete, was found, but a request is needed at a different URL than the one used. It differs from codes 301 and 302 in that it indicates the new URL where the resource will be found. 304: Not Modified Indicates that the cached resources remain the same. It serves to speed up the delivery of web pages.


The browser can use already cached resources. 305: Use Proxy This HTTP status code is deprecated. that the resource was being accessed through a proxy. 306: Unused (Switch proxy) Also deprecated, it indicated to the browser that a specific proxy needed to be used for Phone Number Data some questions. It was considered a problem for server security. 307: Redirect ( temporary redirect) Signals that a resource has temporarily changed location. In reality, this code replaces 302. 308: Permanent redirect It means that the resource has been moved. It is the successor to code 301. It does not allow changes to the HTTP method. Indicates that the resource is located at a new URL. We invite you to read our 2023 Guide with everything about SEO Browser Error Codes 400- 499 These are status codes that refer to errors in the browser or in the request to the server.



They appear when a page cannot be found or there is a technical problem. At this level are the problem codes that seriously affect web navigability. 400: Bad request Indicates that the server is not able to provide a response due to a browser error. 401: Unauthorized Presented to indicate that authorization is required because the destination lacks valid authentication. This is common if HTTP authentication has been configured. 402: Payment required It was a code created as part of a system to implement the payment method with digital money. 403: Forbidden access It is a response when the user tries to access content for which they do not have permission. May require a password. 404: Not Found It is the best known code, it represents that a page or URL address cannot be found. 405: Method not allowed Signals that the method is not supported, it is the server's response when the resource does not support the method used.