An HTTP Status Code shows the server's response to the browser's request. When you go to a website, your browser sends a request to the site’s server, and then server responds to the browser’s request by a three-digit code. i.e. HTTP status code. Browsers and servers communicate with each other through such codes. They communicate with each other with certain pattern like A-okay, touch-and-go, or whether something is wrong.
If you understand these status codes and know how to use it, you will be able to quickly identify the errors on site and if you solve these errors, this will minimize downtime on your site. Using some status codes, you can help search engines and people access your site. For Example - 301 redirect, This code tells bots and people that a page has been moved somewhere permanently.
Each three digit status code has a number from 1 to 5 at the beginning. It looks like this – 1xx or 5xx. Each range from 1 to 5 has a different class of server response.
“HTTP Status Codes plays an important role in SEO”.