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What is retry after?
Retry-After is used with 503 which tells the user how long the service is expected to be unavailable. It is used to deal with scheduled downtime. Status code 301: 301 is used to indicate that resource is moved permanently.
How do I retry after header?
The Retry-After response HTTP header indicates how long the user agent should wait before making a follow-up request. There are three main cases this header is used: When sent with a 503 (Service Unavailable) response, this indicates how long the service is expected to be unavailable.
Is 302 found an error?
A 302 Found response code indicates that the requested resource should temporarily be accessed at a different URI. However, it’s entirely possible that the server is misconfigured, causing it to improperly respond with 302 Found codes, instead of the standard and expected 200 OK code of a normal, functional request.
What does retry after header mean in http 503?
The implication is that this is a temporary condition which will be alleviated after some delay. If known, the length of the delay MAY be indicated in a Retry-After header.
When do I need to return a 503 status code?
To overcome this potential longer loss of rankings, you need to return a 503 status code whenever working on a particular page. The original definition of the 503 status code, according to this RFC, is: The server is currently unable to handle the request due to a temporary overloading or maintenance of the server.
What to do when you get Error 503 on your browser?
In this case, it may be enough to just refresh the page to resolve the HTTP 503 error. To do this, simply click on the refresh button next to your browser’s address bar or alternatively use the [F5] key or the [Ctrl] + [R] key combination.
How to send a retry-after HTTP response header?
Therefore, to add the Retry-After header for a 503 response using version: 1.7.4 and earlier, use a third-party module, such as Headers More. 1.7.5 and later, append the always parameter to the add_header directive. Unlike Nginx, the Apache header documentation gives no indication that it can’t send a Retry-After header on a 503 response.