Check 404 Page Correctness

Tool for webmasters: checking 404 page, server headers, redirects and proper error page operation.

The service shows 404 response code, server headers and correct error page setup for UX and SEO improvement.

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We identify errors that hinder promotion!
We check indexing, loading speed, meta tags, and structure.

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Questions and Answers
Everything about 404 page checking: response code, headers and error setup
What is a 404 page? â–¼
404 page is an error page displayed to the user when they go to a non-existent site address. It should return the correct HTTP 404 response code.
Why check the site's 404 page? â–¼
Checking the 404 page is needed to ensure that the server correctly returns the 404 response code, and does not redirect to the main page or return code 200. This is important for SEO and user convenience.
What does the 404 page checking service show? â–¼
The service displays the HTTP response code, server headers, response time and error page content.
What errors occur when setting up a 404 page? â–¼
Common errors: the page returns code 200 instead of 404, a redirect to the main page occurs, or the error page is missing altogether.
Does the 404 page affect SEO? â–¼
Yes, if the 404 code is configured incorrectly, search engines may index non-existent pages, which negatively affects the site's position and its quality in the eyes of search engines.
How should the 404 page work correctly? â–¼
When accessing a non-existent address, the page should return code 404, display a clear message to the user and contain links to the main page or important sections of the site.
Can I check multiple URLs for 404? â–¼
In the basic version, checking is performed for one URL. For bulk analysis, you can use crawlers or advanced SEO tools.
What to do if the server returns the wrong response code? â–¼
You need to fix the web server or CMS settings so that when accessing non-existent pages, the correct 404 code is returned.
What headers are important to check on the 404 page? â–¼
In addition to the 404 code, it is worth checking the Content-Type, Server, Cache-Control headers and possible redirects.
Is the 404 page checking service free? â–¼
Yes, checking the correctness of the 404 page operation is available free of charge and does not require registration.
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