5 Most Important HTTP Status Code

What is HTTP Status Code?

HTTP status code refers to Hypertext Transfer Protocol. This protocol is used by a Browser (Search Engine & Client)  and Server to exchange data between them. Every page on every website returns a numerical code that indicates the page’s status and that numerical code indicates the status of the page and it communicates this to browsers and it communicates it to bots and browsers and bots now understand what to do with that page based on the response code this isn’t something that human visitors are going to see so this truly how you communicate about a page of status technically.

If you search anything in your browser, you’ve requested, the server shows all the information you need, in a few seconds, all that information appears on your screen. Do you know how it happens? It happens with the help of HTTP status codes 

HTTP status codes are the three-digit responses that connect a server and a browser (a client or search engine). There are a total 499 status codes which are assembled in the 5 different classes of status codes each class show a different type of message.

The Different type of HTTP Status Code Classes

There are 5 classes of HTTPS Status Code

  1. 1XX ( Informational Code): In 1XX HTTP Status Code Classes there are 100 – 199 HTTP Status Codes that show that we have received your request and it is processing.
  1. 2XX ( Successful message Code): In 2XX Status Code Classes there are 200 – 299 HTTP Status Codes which shows that the server has got your request and it was successfully delivered
  1. 3XX ( Redirection Code): In this 3XX Status Code Classes there are 300 – 399  HTTP Status Code which show your link has been redirected to a new URL.
  • 301 redirect: 301 redirect indicates that the information user is searching is completely moved to another location
  • 302 redirect: 302 redirects indicate that the information user is searching is temporarily moved to another location.
  • 303 redirect: 303 redirect indicates that the server is redirecting the request to another URL
  • 304 redirect: 304 redirect indicates that information the user is searching is not modified yet instead that a cached version will appear.
  1. 4XX ( Client-Side Errors Code): In this 4XX Status Code Classes there are 400 – 499 HTTP Status Codes that show your request cannot be fulfilled.
  • 401 Status Code: 401 code indicates that the HTTP Authentication failed. The information that the user is searching for requires a username and password combination.
  • 403 Status Code: 403 Status Code indicates that the information that the user is searching is forbidden to request a URL
  • 404 Status Code: 404 Status Code indicates that the information that the user is searching for is not found 
  1. 5XX ( Server Error Code): In this 5XX Status Code Classes there are 500 – 599 HTTP Status Codes which show that the server is getting issued in processing your request.
HTTP Status Code ClassesHTTP Status Code
1XX ( Informational Code)100 – 199
2XX (Successful Message Code)200 – 299
3XX  (Redirectional Code)300 – 399
4XX (Client Side Errors Code)400 – 499
5XX ( Server Errors Code)500 – 599

Checking the HTTP status code in your browser using built-in tools

Checking the HTTP status code in your browser is very simple. Each and every browser comes with a built-in tool to check the HTTP status code.

  1. Google Chrome: To check the HTTP status code in Google Chrome you just need to open Chrome Dev Tools and click on the network tab to see the network activity
  2. Firefox: To check the HTTP status code in Firefox you just need to open the Inspector and click on the network tab to see network activity
  3. Safari: To check the HTTP status code in Safari you just need to open Web Inspector and click on the network tab to see the network activity
  4. Edge: To check the HTTP status code in Edge you just need to open Developer Tools and click on the network tab to see the network activity

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