HTTP Status Codes SEO:Definitive Guide of Http Status Codes HyperText Transfer Protocol (or HTTP) reaction or response status codes are returned at whatever point web search engines or site viewers send a request to a web server. These threedigit codes demonstrate the reaction and status of HTTP requests. HTTP Status codes are three-digit numbers returned by servers that demonstrate the status of a web component. Understand that the main or the initial digit of every three-digit status code starts with one of
five numbers, 1 through to 5. From the 100s through the 500s, status codes fall into the accompanying classifications: 500s – Server side error. The request raised by the client was valid. However, the server did not complete the request. 400s – Client Side error. Request was sent by the client, page turns out to be invalid.