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-After292,585
Percentage of websites that use Retry-After header0.29%
Total discovered header values2,197
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country US

Retry-After Directives

Retry-After directives value information and usage statistics

DirectiveShareWebsites countUnique Values

Distribution by websites popularity

Retry-After detection in the top websites by popularity

Top 10k sites445 websites
Top 100k sites2,478 websites
Top 1m sites10,827 websites

Websites utilizing Retry-After

List of websites that use Retry-After header

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Geographical Distribution

Header usage distribution by websites across the globe.






Common header values

List of top common Retry-After header values

Header valueValue prevalence
045.04%
360025.03%
8640017.96%
6003.95%
53.13%
3000.98%
18000.35%
600.27%
144000.27%
333 env=RATELIMITED0.23%
1200.23%
300.18%
9000.16%
1728000.13%
14400.13%
72000.11%
100.09%
200.08%
50000.08%
2400.07%