HTTP status code
Web request result
An HTTP status code is a three-digit number a web server returns in response to a request, indicating whether the request succeeded or failed and why.
Codes are grouped by first digit: 2xx means success 200 OK, 3xx means redirection, 4xx means client error 404 Not Found, and 5xx means server error.
Users encounter these most often when something goes wrong: The page returned a 500 error.
- 404HTTP error code
- not foundUnable to locate
- page not foundMissing webpage message
- 500Five hundred units
- 200Number after 199
error · bad request · response · web server · server · request · forbidden · access denied · redirect · timeout · gateway · unauthorized · too many requests · service unavailable · error page · OK · client · browser