What’s the difference between a 301 and a 302 redirect?

A 301 redirect signals a permanent move of a webpage from one URL to another. This means search engines will pass most of the link equity (ranking power) from the old URL to the new one, and update their index accordingly. A 302 redirect, conversely, indicates a temporary move. Search engines understand that the original page is expected to return, so they typically do not pass link equity, nor do they update their index with the new URL. Using the correct redirect type is crucial for SEO, as misusing them can lead to lost rankings or indexing issues. The other options incorrectly swap the definitions or introduce non-existent concepts like "redirection block.