These codes tell browsers and search

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2. Why is it important?

It is a bad practice to return a success code instead of a 404/410 (Not Found) or 301 (Moved). A success code tells search engines that an actual page can be found at that URL. As a result, that page may be listed in search results, and search engines will continue to try to crawl the non-existent URL instead of spending time crawling your actual page.

3. What should I do?

If your page is no longer accessible and you don't have a clear replacement iceland phone number lead page, you should return a 404 (Not Found) or 410 (Deleted) response code. engines that the page doesn't exist. You can also show users a custom 404 page if appropriate - for example, one that lists the most popular pages on your site or includes a link to your site's homepage.

If your page has moved or has a clear replacement page, return a 301 (permanent redirect) to redirect users as appropriate.
If you think your page has been incorrectly marked as a soft 404, use