Retry-After
HTTP response 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.
Header usage statistics
Retry-After response header information and usage statistics. | |
|---|
| Websites using header Retry-After | 672,633 |
| Percentage of websites that use Retry-After header | 1.14% |
| Total discovered header values | 2,673 |
| Header uses directives | No |
| Header values are unique or random | No |
| Most popular in the country |  United States |