Question 1

What are HTTP status codes?

Accepted Answer

HTTP status codes are 3-digit numeric codes returned by the server in response to HTTP requests, indicating the processing result to the client. They are divided into five categories: 1xx Informational, 2xx Success, 3xx Redirection, 4xx Client Errors, and 5xx Server Errors.

Question 2

What's the difference between 404 and 410 status codes?

Accepted Answer

404 means resource not found (may be temporarily unavailable), 410 means resource permanently deleted. For SEO, 410 will be removed from search engine indexes faster.

Question 3

What's the difference between 301 and 302 redirects?

Accepted Answer

301 is a permanent redirect; search engines transfer authority to the new URL. 302 is a temporary redirect; search engines keep the original URL indexed. Website redesigns should use 301.

📡 HTTP Status Code Reference Guide

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