Did you know that every time you visit a website, the browser returns an HTTP status code? Thanks to these HTTP status codes we can know if the request we have made on a web page was successful or, if not, there was an error. Basically, when everything goes well, we don’t see any error messages or HTTP code, but when something goes wrong, they do. If you have a web page it is very important that you know and understand all the different HTTP status codes that exist. These messages that the server returns are the best tool you can have to diagnose and solve certain problems or errors that may arise on your website.
HTTP status codes are divided into five different categories, identified in turn by the first digit of the code. For example, the HTTP status code 200 is part of the 2xx response type, the 404 code of the 4xx response type. This classification is derived mainly from the importance and function of status codes, mainly divided into 5 types:
▸1xx Status Codes – Information: When an HTTP 1xx status code is sent, the server notifies the client that the current request is still going on. This class collects and provides information on processing and submitting an application.
▸2xx Status Codes – Success: Codes starting with a 2 report a successful operation. When these types of responses are received, it means that the client’s request was received, understood and accepted. It is very common that 2xx codes are sent from the server together with the data of the desired web page. In general, the user only perceives the requested website.
▸3xx Status Codes – Redirects: Those codes that start with 3 indicate that the request has been received by the server. However, to ensure successful processing it is necessary for the customer to take additional action. These types of codes appear mainly when there are redirects.
▸4xx Status Codes – Client Errors: When a 4xx code appears, it means that a client error has occurred. This means that the server has received the request, but it cannot be carried out. One of the main causes of these types of responses is faulty requests. Internet users are informed of this error by means of an automatically generated HTML page.
▸5xx Status Codes – Server Errors: The server reports its own error when using a 5xx code. These types of responses indicate that the corresponding request is temporarily disabled or impossible to carry out. Again, a page in HTML format will be generated automatically.
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List of HTTP status codes
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HTTP or HyperText Transfer Protocol
