Dictionary — ontologydriven

404 en · ADJ

From the HTTP error status code 404, meaning Not Found, returned by a web server responding to a request for a URL at which no resource exists.

(not-comparable, slang) Not found, especially of a web page on the Internet.
- Bill was 404 all morning.

From the HTTP error status code 404, meaning Not Found, returned by a web server responding to a request for a URL at which no resource exists.

An error indicating that a web page could not be found.
- Return 404s for all deleted pages. Some search engine marketers suggest redirecting old products to semantically related products instead of 404ing. This preserves link equity, whereas a 404 does not. 2007, Cristian Darie, Jaimie Sirovich, Professional Search Engine Optimization with ASP.NET: A Developer's Guide to SEO, John Wiley & Sons, →ISBN, page 113:
(Nigeria, colloquial) Dog meat.

Spelling	Features	Labels	Source
404s	Number=Plur		lexicographic

From the HTTP error status code 404, meaning Not Found, returned by a web server responding to a request for a URL at which no resource exists.

To return an error indicating that a web page could not be found.
- Return 404s for all deleted pages. Some search engine marketers suggest redirecting old products to semantically related products instead of 404ing. This preserves link equity, whereas a 404 does not. 2007, Cristian Darie, Jaimie Sirovich, Professional Search Engine Optimization with ASP.NET: A Developer's Guide to SEO, John Wiley & Sons, →ISBN, page 113:

Spelling	Features	Source
404s	Number=Sing, Person=3, Tense=Pres	lexicographic
404'd	Tense=Past, VerbForm=Part	lexicographic
404'd	Tense=Past	lexicographic
404ing	Tense=Pres, VerbForm=Part	lexicographic
404ed	Tense=Past, VerbForm=Part	lexicographic
404ed	Tense=Past	lexicographic