Search results: 404 error

the http status line is the term given to the http status code (real code) when accompanied by the 'http reason phrase' - the term for the reason (short description).

broken link - broken links are one of the most negative factors affecting seo results. it will affect a ranking of a website but also reduce the user experience.

the well-known 404 'not found' ('not found') error is often referred to as the 'last web site'.