A 4xx error is an error that often occurs when a webpage does not exist anymore, or the webpage has restricted access. 4xx error also indicates that the site cannot be reached.
Different types of 4xxx error
#1. 400 Bad Request Error
This error occurs when you submit a request to the website server that is either incorrect or has been corrupted. The server receiving the request cannot understand it. You have to check if the error is from the website itself, which means you have to wait for the site to fix it.
#2. 401 Unauthorized Error
This Http error code indicates that the request sent by the client is bit authenticated. Thus may be because the client has not issued the correct credentials with their request, or tje client is banned for some reason, or the server has rejected the client’s credentials.
#3. 403 Forbidden Error
Occurs when you try to access the page that is strictly forbidden .
#4. 404 Forbidden Error
If there are broken links on a webpage, the user is met with a 404 error code, preventing them from being able to access the page.
The 404 error page not found error is the most common error; it is usually explained by the URL for the link being incorrect or has been removed from the public view.
This error also occurs if a website has moved a page or resource but has failed to redirect the old URL to the new URL. A 404 error means that the site cannot be reached or the page not found .
How to fix 4xx error
#1. Check the spelling of the URL
It might have been mistyped or the site address is spelt incorrectly. A 404 Not Found error is inevitable if that is the case.
#2. Clear cache and cookies
Your web browser may be trying to use an invalid or expired cookies , and it is possible that your browser has cached a corrupt version of the web page you are trying to reach. A 400 bad request error will occur in this case. Clearing cache and cookies can fix it.
#3. It could be from the receiving servers
Some servers are not configured to return more helpful messages. If you upload a file to a website but it is too large, instead of showing a prompt that the file exceeds the maximum upload file size, this server sends a 400 http error instead.
#4. Refresh page
Refreshing the browser page can be helpful in fixing the Can’t find 4xx Error Page. Hit F5 on your keyboard and the web page will reload the page. If problem persists, restart your computer.
#5. Check out other websites
Visit other websites to see if you are still presented with a 4xx error page. it might just be a general problem.
Wait a little bit and try again. The error might go away after the wait.
#6. Ensure you are using the correct URL
If you are trying to login to a protected area. URLs can be updated or changed so if you bookmarked a page in your favourites, it may no longer work because the URL is different and redirect does not exist. Also ensure you use the correct login credentials as they may cause the 401 error message.
#7. Contact the website administrator for help
They will tell you if they have moved the page and are getting errors instead of redirecting the page. A feedback can help them fix the error faster.
How do I fix error 404 on WordPress?
404 errors pops up on WordPress because of redirect issues or permalinks issues. Simply fix the broken links for individual pages. Visit the WordPress dashboard and update permalinks settings If it is a site wide problem.
