404

Resource not located

404 is the HTTP status code for "page not found," displayed when a web server can't locate the requested page.

The number has escaped into general slang meaning missing, absent, or clueless: He's totally 404 on what's happening.

To 404 is to be unavailable or to fail to find something.

error

page not found

Missing webpage message

server error · website · browser · webpage · internet · navigation · redirect · timeout · status code · hyperlink

absence

missing

Not present, whereabouts unknown

gone · nonexistent · unavailable · absent · nowhere · unfound · elusive · untraceable · hidden · unreachable

Categories
Opposites
HTTP status code outcome

404200

Number after 199

success · OK · found

resource accessibility

404found

Discovered or established

exists · available · accessible · present · located

cultural/slang meaning (cluelessness)

404clued in

Made aware of something

informed · aware · in the know · knowledgeable · with it

Phrases
Familiarity
Top 500,000
Profile
Known to kids · Used worldwide · Timeless · Rated G