December 10, 2022

How to Fix a 400 Bad Request Error?

It is common for client-server interactions to occur incessantly and smoothly. In spite of this, a 400 Bad Request error usually means that a request has not been met successfully or that it has become corrupted by the remote server to which it has been sent. You can use url-decode.com when you encounter a bad request error because of an incorrect URL. It will help you to decode the URL and find some useful insights to resolve the issue.

 

You must know that there is the risk of receiving error messages when a request is not formatted correctly since servers respond to requests in a specific and fixed manner. In addition to the confusion, sometimes the server itself can cause the error, but this only occurs in a limited number of cases. There may also be differences in how HTTP errors appear in different browsers.

 

With Firefox and Safari, you will usually see a blank page without a status code. On the other hand, Chrome displays a generic error message along with the error code “This page is not working”.

 

There are many users who are unaware of 400 bad request errors. If you’re one of those and want to learn about it; you’re in the right place. In this article, we will discuss what is 400 bad request error and how to fix it.

What is a 400 Bad Request Error?

When the server determines that the error does not fall within any of the other status code categories, it returns a 400 Bad Request, also called a 400 error or HTTP error 400. In many instances, 400 errors occur as a result of an incorrectly typed URL and can negatively impact a user’s experience.

 

It is important to understand that the 400 Bad Request error has to do with the client’s submitted request before it has even been processed by the server. According to the Internet Engineering Task Force (IETF), a 400 Bad Request defines as:

 

Using the 400 (Bad Request) status code indicates that the server cannot or will not process the request because of something that appears to be a client error (e.g., malformed request syntax, invalid request message framing, or deceptive routing of the request).

Fix a 400 Bad Request Error

We recommend that you refresh the page as a first step. In the event that that does not work, you should try the following methods:

Double Check the Domain Address

In most cases, a wrong URL leads to an HTTP status 400 bad request error. URLs that are mistyped, syntaxes that are malformed, and URLs containing illegal characters may fall under this category.

 

Ensure that the domain name spelling is correct, as it is easy to misspell a URL. If the URL contains a directory path, a file name, or a query string, take note of any special characters such as hyphens (-) or percentages (%).

 

As an example, www.example.com/example is the appropriate domain name. A 400 bad request error will be displayed if you type in www.example.com/%example in the URL bar with an extra percentage character.

 

This error can also be caused by a badly encoded URL. To make characters transferable on the internet, URLs are encoded as ASCII characters. An example of a common encoding is replacing the space with %20.

 

However, URLs may contain incorrect syntax, such as double percentage characters (%), if they have been encoded incorrectly. Whenever you enter a URL or click on a link that is not correctly encoded, you will receive a 400 error message.

Clear Browser Cache or Cookies

In order to enhance the browsing experience, browser cookies and cache are utilized to store site content and data on the client’s side.

 

Website files such as texts and images are stored in the browser cache for the purposes of reducing requests to the web server and accelerating the loading of the page. Moreover, cookies store the user’s session history and preferences in order to provide personalized browsing.

 

If you are experiencing this problem, try clearing the cache and cookies in your browser. Below are the steps to follow if you are using Google Chrome:

 

  1. In Google Chrome, click on the three dots in the top right corner and select Settings.
  2. Click on Clear browsing data in the Privacy and security section.
  3. In the Clear browsing data window, select the Cached images and files and Cookies and other site data options, and then choose the time frame from the drop-down menu.
  4. For the process to be completed, click Clear data and restart Google Chrome.

 

Keep in mind that clearing the browser cache and cookies will reset the settings and sign you out of websites you have visited. Moreover, it will take longer for the websites to load since the browser will need to retrieve the previously cached content.

Hopefully, you will be able to access the website normally again after clearing the cache and cookies that caused the 400 bad request error. 

 

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