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-Age80,362
Percentage of websites that use Access-Control-Max-Age header0.12%
Total discovered header values252
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

Websites utilizing Access-Control-Max-Age

List of websites that use Access-Control-Max-Age header
DomainCountryRankContacts
support.apple.com United States131
eventbrite.com United States180
assets.pinterest.com United States215
js.hs-scripts.com United States319
static.zdassets.com United States522
eventbrite.co.uk United States741
See full domain list

Common header values

List of top common Access-Control-Max-Age header values
Header valueValue prevalence
259200017.80%
100015.69%
360015.28%
172800015.06%
8640014.70%
18004.10%
6003.40%
36288001.95%
72001.78%
30001.53%
01.40%
3000.95%
315360000.66%
-10.65%
1800.62%
10.37%
600.32%
6048000.26%
100800.20%
1728000.20%