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 283,999
Percentage of websites that use Retry-After header 0.29%
Total discovered header values 2,313
Header uses directives No
Header values are unique or random No
Most popular in the country United States of America

Distribution by websites popularity

Retry-After detection in the top websites by popularity

Top 10k sites 383 websites
Top 100k sites 2,136 websites
Top 1m sites 9,327 websites

Websites utilizing Retry-After

List of websites that use Retry-After header

Domain Country Rank Contacts
pinterest.com United States of America 32
polyfill.io United States of America 39
player.vimeo.com United States of America 51
www.paypal.com United States of America 65
nytimes.com United States of America 77
www.paypalobjects.com United States of America 159
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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 value Value prevalence
0 43.64%
3600 25.15%
86400 18.61%
600 4.27%
5 3.06%
300 0.91%
604800 0.45%
60 0.33%
1800 0.28%
14400 0.28%
333 env=RATELIMITED 0.24%
120 0.19%
30 0.14%
5400 0.14%
900 0.13%
172800 0.13%
7200 0.11%
1440 0.11%
10 0.11%
20 0.08%