When managing HTTP status codes, handling client errors like 404 not found pages is essential. Though it’s common to have some 404 errors, particularly on more extensive websites, minimizing ...

Learn more about the different HTTP status codes, what they're for, their real-world impact for SEO, ... 401 – Unauthorized. 402 – Payment Required. 405 – Method Not Allowed.

Here's a guide written by Contributor Barry Adams on HTTP status codes and headers that will make it easier to learn. ... 401 Unauthorized. 404 Not found. 410 Gone. 429 Too many requests.