HTTP 202 Accepted vs 301 Moved Permanently
HTTP 202 (Accepted) is a 2xx Success response, while 301 (Moved Permanently) is a 3xx Redirection response. 202 indicates that the request has been accepted for processing, but the processing has not been completed. The request might or might not eventually be acted upon. In contrast, 301 means that the resource has been permanently moved to a new URL. All future requests should use the new URL. Search engines will transfer link equity to the new URL.
Mô tả
The request has been accepted for processing, but the processing has not been completed. The request might or might not eventually be acted upon.
Khi bạn thấy mã này
For async operations like batch jobs, email sending, or background tasks that take time to complete.
Cách khắc phục
Poll the provided status URL or wait for a callback/webhook.
Mô tả
The resource has been permanently moved to a new URL. All future requests should use the new URL. Search engines will transfer link equity to the new URL.
Khi bạn thấy mã này
After domain migrations, URL restructuring, or when consolidating duplicate URLs.
Cách khắc phục
Update links and bookmarks to the new URL in the Location header. For SEO, this is the preferred redirect for permanent moves.
Sự khác biệt chính
202 is a 2xx Success response, while 301 is a 3xx Redirection response.
HTTP 202: The request has been accepted for processing, but the processing has not been completed. The request might or might not eventually be acted upon.
HTTP 301: The resource has been permanently moved to a new URL. All future requests should use the new URL. Search engines will transfer link equity to the new URL.
You encounter 202 when for async operations like batch jobs, email sending, or background tasks that take time to complete.
You encounter 301 when after domain migrations, URL restructuring, or when consolidating duplicate URLs.
Khi nào dùng cái nào
For 202 (Accepted): Poll the provided status URL or wait for a callback/webhook. For 301 (Moved Permanently): Update links and bookmarks to the new URL in the Location header. For SEO, this is the preferred redirect for permanent moves.