SEO # How does google treat 404 and 410 http errors?

In our previous article which was SEO # What are breadcrumbs and are they beneficial for Website? we discussed what breadcrumbs are and if they are beneficial for a website or not. Today we will like to discuss how Google treats 404 and 410 errors.

First off, What is a 404 error?

A 404 error is sent by a web server when a particular resource is not found or is temporarily not available. This actually does not give a specific reason and does let you know that resource may come back online or it may not.

What is a 410 error?

A 410 error is sent by a web server when the resource has permanently gone and will never return back or be brought online again. This usually is sent explicitly by a web master to let everyone and the Google bot to know that resource is gone for good.

When Google encounters a 404 error, it basically gives that page or resource  24 hour grace period, this is given to make sure that the error was not generated by human error i.e. a page was accidentally deleted by someone or resource was removed by mistake. After that grace period Google visits the resource again and if it is not found it can take appropriate action i.e. either to remove it from index completely or to keep checking for some more time.

When Google encounters a 410 error, it knows that the resource of a link is gone and gone for good i.e. it will not be put back online. In this case the resource is immediately removed from the index and search results.

So whenever you are going to delete something from your website, make sure to send appropriate error message so your valuable content does not disappear from google by mistake.

If you send a 410 instead of a 404 for a resource that link will find it really difficult to get indexed again. Make sure you understand the above differences and work accordingly before removing a resource or a link from your website.

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