Status codes beginning with a “1” communicate that a server is processing information, but has not yet completed the request. 2xx status codes: Success These status codes indicate that a requested ...

Learn important HTTP status codes for SEO, how they affect website performance and the tools you need to monitor and resolve ...

400 Bad Request: This status code is returned if the server did not process the request due to client errors like wrong syntax, deceptive routing request, invalid framing, etc.

HTTP status codes go way beyond the 404 and 500 errors we have all encountered. Let's look at what they mean for a non-developer -- and figure out some of the geek humor that’s hidden in their midst ...

Google's Search Relations team shares which HTTP status codes matter most for SEO. Learn how redirects, 1xx codes, and network errors impact your site's performance.

The 421 status code is described by the Internet Engineering Task Force (IETF.org) as a Misdirected Request. This means that a request for HTTP/2 is misdirected if it’s not available. According ...