First, the question arises what the 400 Bad Request is? It is the HTTP status code error that the request you to send to the website server. Sometimes incorrect or corrupt code results in this type of error, but there are many other problems too, which led to this error. Don’t worry; I will show you all the reasons that result in this error, whereas I will also give you all the solutions of the corresponding reason.
Causes of 400 Bad Request Error
1. URL String Syntax Error
This error often comes when you entered the incorrect URL i.e. (missing some of the characters, alphabets, or invalid characters) unstructured syntax, which is also the reason for a 400 Bad request error. Another reason is adding a special character, an alpha number that is not in the URL could also lead to the 400 Bad Request.
2. Corrupted Browser Cache & Cookies
If your URL is correct, but you still pop up the error, then another reason might be a corrupted file, cache, and sometimes corrupted browser, cookies in the browser may also result in this type of error.
3. DNS Lookup Cache
The DNS data stored in the browser is basically a temporary database that contains a record, recent visits, and other internet domains in your computer and a computer‘s operating system manages it. The 400 Bad Request popup when all the data is unsynchronized.
4. File Size Too Large
If you are trying to upload a too large file on any of the websites. Then you are familiar with 400 Bad Request Error. This Error is related to the file limits the size of the server.
5. Generic Server Error
This is the only error that comes from the server-side, whereas above all, the error comes from the client-side. Several issues, glitches, and temporary problems come from the server-side, and it causes 400 Bad Request Error. Another reason for this error is when the client connects any 3rd side party website then, in that case, it is not server responsibility, which also results in 400 Bad Request errors.
Above mention, these are all kinds of common problems which result in 400 Bad Request error, and generally, this error came from the client-side.
You can also check the error which is either from the client-side or server-side, by access to the website, which shows error in different browsers but before doing this make sure the URL is correct and the DNS cache is clear. If you are unable to access the website, then the error is definitely from the server-side.
How to Fix 400 Bad Request Error
Here I am going to show you the solutions to the corresponding problem. So that you don’t suffer this kind of error. All the methods are shown below. We will be discussing all these methods shown below, one by one.
Solution 1: Check the Submitted URL
URL is the address of the website. You can view your website by website URL address. It is one of the often reason why 400 Bad Request error popups on your screen are invalid URL, and most of us enter the URL again and again. Refer to the incorrect URL means that (missing some of the characters, alphabets, or invalid characters) and unstructured syntax.
There is a simple step to check whether your URL is correct or not:
- When you enter the URL in the Search box. If your URL is blue inked then it indicates that the URL is valid.
It is important to have a valid URL so that there is no error on display. If the error still popups after submitted the valid URL, then do follow another method as shown below.
Solution 2: Clear Browser Cache
One of the effective methods is to clear the browser cache, and it has been tested methods to fix 400 Bad Request errors. There are many reasons by which the browser cache increase, some are:
If you face any problem in login the website or the website is partially loaded, sometimes the website is corrupted from the server-side. This led to the growth of a corrupted file of HTML, JavaScript, text/config files, CSS, Media (images, videos, audio), and Data files (XML, JSON) to delete the corrupted file or in other we say it as “clear Browser Cache”.
Follow the given steps:
Most of the user use Google chrome, so I am going to show you a clear browser cache with the help of Google Chrome.
Step 1: Press the Windows button, a search box appears in the bottom left side of Windows type Google chrome on the search box and press enter.
Step 2: Google Chrome appears on the top of the result.
Step 3: Press the left key on the mouse to open Google chrome.
Step 4: On Google Chrome, at the upper right corner, click on more options.
Step 5: Then, sub click on the more tools, search clear browsing data.
Step 6: Next to the “Cookies and other site data”, “click on the cached images and files.
Step 7: Click on the clear data, and the result is that the Clear browser and cache have been deleted.
Restart your Google chrome and try with the correct URL to check whether the error is still popup or not. If the error is gone in your display, then congratulation, whereas if not, try different other methods.
Solution 3: Clear Browser Cookies
Sometimes Error still popup after clearing the browser cache, then it is time to delete the clear browser cookies so that the error doesn’t display on your screen. Believe me, a single website uses a couple of different cookies, and if one of the cookies corrupted or expired, it led to the 400 Bad Request error. So we need to clear the browser cookies by following steps this can be done as mention below.
Step 1: Press the Windows button, a search box appears in the bottom left side of the Windows screen type Google chrome on the search box and press enter.
Step 2: Google Chrome appears on the top of the result.
Step 3: Press the left key on the mouse to open Google chrome.
Step 4: On Google Chrome, at the upper right corner, click on more options.
Step 5: Cookies section can be seen in more options. Click on the “All cookies and site data.”
Step 6: In order to delete all cookies, click the “Remove all” button.
Follow the instruction carefully to get relief from the error.
Solution 4: File Upload Exceeds Server Limit
If you are trying to upload a large file on any of the websites. Then you are familiar with 400 Bad Request Error. This Error is related to the file limits the size of the server. You can check this out by uploading the smaller size of the file on the website. If the upload is successful without any error then it is definitely a problem due to trying to uploading the large size of the file on the website.
There is a couple of methods to compress the large size file.
There are plenty of apps in android which is used to compress the large video size file some are:
- Video Compact
- Video compressor
- Inshot
- Video Transcoder
Like Android, you can compress the Large video file too in Pcs. Some recommended apps are:
- Freemaker
- Handbrake
- You can even compress your large file with a VLC video player.
If you do not have an interest in downloading the apps, then you can simply do this online as there are numerous genuine sites.
Solution 5: Clear DNS Cache
The DNS data stored in the browser is basically a temporary database that contains a record, recent visits, and other internet domains on your computer. It is managed by a computer’s operating system whereas it is another reason which causes the 400 Bad Request. So I am going to show you some steps to clear the DNS cache so that the error didn’t pop up again.
Step 1: Press “Windows + R” on your keyboard, Run appears on the bottom left side of the display.
Step 2: On the run dialogue box, type the “flushDNS” command (without inverted column), and press Enter.
Step 3: These two steps will clear the DNS cache. After doing all these steps, I hope there is no error popup.
Solution 6: Deactivate Browser Extensions
Disabling the browser extension is also a possible way to avoid the 400 Bad Request error. You can do it by following the steps below:
Step 1: Press the Windows button, a search box appears on the left side bottom of the desktop screen, now type Google chrome on the search box and press Enter.
Step 2: Google Chrome appears on the top of the result.
Step 3: Press the left key on the mouse to open Google chrome.
Step 4: On Google Chrome, at the upper right corner, click on this “≡” option.
Step 5: Click on the more tools option, search extension, and click on it.
Step 6: Now, disable the extension.
By these steps, you can disable/deactivate the browser extension.
Conclusion
A number of browsers and clients familiar with this type of error, so you can fix the 400 Bad Request error from the client-side. Here I show you all the possible and effective methods for 400 Bad Request Error. I hope one of the above methods fix the 400 Bad Request error in your display.