Access-Control-Max-Age

HTTP response header

This header gives the time for which results of a CORS preflight request that checks to see if the CORS protocol is understood and a server is aware using specific methods and headers can be cached. (Indicates how long the results of a preflight request can be cached)

Header usage statistics

Access-Control-Max-Age response header information and usage statistics.
Websites using header Access-Control-Max-Age83,398
Percentage of websites that use Access-Control-Max-Age header0.10%
Total discovered header values245
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country United States

Access-Control-Max-Age Directives

Access-Control-Max-Age directives value information and usage statistics
DirectiveShareWebsites countUnique Values

Access-Control-Max-Age header usage distribution by website rank



Geographical Distribution

Header usage distribution by websites across the globe.



Websites utilizing Access-Control-Max-Age

List of websites that use Access-Control-Max-Age header
DomainCountryRankContacts
support.apple.com United States131
assets.pinterest.com United States215
js.hs-scripts.com United States319
static.zdassets.com United States522
www.clickfunnels.com United States582
theme.zdassets.com United States1,091
See full domain list

Common header values

List of top common Access-Control-Max-Age header values
Header valueValue prevalence
100017.86%
259200017.52%
172800014.84%
360014.61%
8640013.83%
18003.95%
6003.38%
36288002.27%
30001.67%
72001.63%
01.42%
3001.07%
315360000.72%
-10.65%
10.38%
600.33%
6048000.24%
8640000.22%
600000.19%
100800.19%