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 106,690
Percentage of websites that use Retry-After header 0.20%
Total discovered header values 1,315
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 245 websites
Top 100k sites 751 websites
Top 1m sites 4,559 websites

Websites utilizing Retry-After

List of websites that use Retry-After header

Domain Country Rank Contacts
pinterest.com United States of America 13
reddit.com United States of America 35
i.imgur.com United States of America 41
forbes.com United States of America 42
nytimes.com United States of America 47
theguardian.com United States of America 52
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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
3600 36.84%
86400 26.84%
0 19.54%
600 5.59%
5 3.02%
300 1.49%
60 1.26%
14400 0.42%
5400 0.40%
1800 0.29%
60000 0.29%
10 0.25%
172800 0.24%
333 env=RATELIMITED 0.23%
120 0.20%
900 0.19%
7200 0.17%
604800 0.16%
20 0.13%
5000 0.12%