It is almost impossible for you to have worked with the Internet and digital space and not come across Google’s errors and errors in the entire space of a website. In addition to killing users and reducing conversion rates, errors can also affect your site’s SEO in the long run. Therefore, one of the most important things we learn in SEO classes is how to fix these errors.

Due to the importance of this issue, in this article, I am going to explain to you all the errors that you will encounter as an SEO expert, site supporter, webmaster, etc.

Note: Knowing these points and how to fix them is essential for every SEO and every webmaster.

In general, errors in the web space are divided into two general categories of site errors (series 400 and series 500), each of which may appear for specific reasons, although in terms of appearance, there may be similarities between these errors, fundamentally different.

4xx series errors

These errors are called client errors and can often be fixed. Although these errors are often related to the user, it is very important to know exactly what error code the user encountered.

Error 400 or Bad request

400 error means a bad or inappropriate request; to fix this error, first, make sure that you entered the website page address correctly and then clear your system’s cookies and cache and test it again.

On the other hand, you should try this case to see if this error occurs only for one site or if other sites have this problem too! If this error is seen on other sites, it is most likely that the main problem is in your system or your internet service provider.

The meaning of this error is that you probably want to enter the user section or manage a part of the site, but your username, password, or address you typed is wrong.

And in some cases, it means that your access has expired.

Many of the sites we receive subscriptions from; after the end of the subscription, they surprise us with this message!

403 or Forbidden error

This famous error shows us that access to a page is denied and it means that we do not have the right to access a page or site for any reason.

Usually, in these years when the ban on foreign sites and services has intensified, this error has become more prominent for all of us. To solve this problem, you can use the filter breaker or empty your cache and use the filter breaker again. In other ways; checking the correctness of the site address is checking the absence of interference between plugins and content management templates, etc.

404 error or Not found

The most famous error in the series of 400 errors is the 404 error. In simple words, a page or an address is requested in the browser, which for any reason does not exist externally.

This error is often caused by a typo in the site address. Because this error occurs often, it should be strongly monitored and designed optimally so that your user does not leave your site page. The existence of this error may affect the SEO of your site due to the number of errors, so have separate planning and design for it.

408 error or Request timeout

This error means that your connection with the website has expired, and it occurs when there is a problem with the Internet, the server, or both for any reason.

To fix this error, it is often enough to press the F5 key.

Other ways to fix this error include visiting the site at other times or changing the internet.

5xx series errors

These series of errors mean that there is a problem with the destination site or that the server is unavailable. These errors are categorized into the following main cases:

Error 500 or internal server

This type of error does not specify exactly what the problem is, this error often occurs due to problems with the system, the user’s internet, cookies, cache, errors in coding, or problems in the host and server settings.

Error 502 or Bad gateway

This error may occur due to issues between online servers that are out of your control.

However, most of the time there is no specific problem, but the browser thinks the problem is related to your home network equipment or has some other cause that is out of your control.

But often this error is a network error between internet servers. This means that the error is not caused by your computer or internet connection.

Error 503 or Service Unavailable

Most of the time, this error occurs because the service provider or server is very busy or maintenance is in progress.

Sometimes, this error may occur due to connection limitations, bandwidth controller, changing system resources, upgrading the PHP version of the server, or interference between codes.

To fix this error, you should contact the server and ask them for the main reason and solution.

504 error or Gateway timeout

This error means that the server did not receive a timely response from another server that was trying to complete the server’s request.

In other words, this error is out of your control and you should discuss this error with your server.


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