# 404 error: what it is and how it works · Zorraquino
> The 404 error is an HTTP response indicating that the server cannot find the requested resource.
URL: https://www.zorraquino.com/en/dictionary/internet/error-404.html

# 404 error

The 404 error is an HTTP response indicating that the server cannot find the requested resource

What it means, how it is used and where it comes up, with its related concepts.

[The whole glossary](https://www.zorraquino.com/en/dictionary)

## What it is and how it works

It can be correct for a page that has been removed with no equivalent replacement. The error page should help people continue navigating without returning a false success response. If a relevant replacement exists, a direct permanent redirect is worth considering.

Topics

[SEO, content and GEO](https://www.zorraquino.com/en/dictionary/category/seo-contenidos-y-geo)

## Related concepts

- [Broken link](https://www.zorraquino.com/en/dictionary/internet/broken-link.html)
- [AEO](https://www.zorraquino.com/en/dictionary/aeo)
- [Anchor text](https://www.zorraquino.com/en/dictionary/internet/anchor-text.html)