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-Age 90,432
Percentage of websites that use Access-Control-Max-Age header <0.1%
Total discovered header values 248
Header uses directives No
Header values are unique or random No
Most popular in the country United States of America

Distribution by websites popularity

Access-Control-Max-Age detection in the top websites by popularity

Top 10k sites 82 websites
Top 100k sites 617 websites
Top 1m sites 3,737 websites

Websites utilizing Access-Control-Max-Age

List of websites that use Access-Control-Max-Age header

Domain Country Rank Contacts
support.apple.com United States of America 131
assets.pinterest.com United States of America 215
js.hs-scripts.com United States of America 319
sav.com United States of America 368
www.sav.com United States of America 368
theme.zdassets.com United States of America 1,091
See full domain list
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Geographical Distribution

Header usage distribution by websites across the globe.






Common header values

List of top common Access-Control-Max-Age header values

Header value Value prevalence
2592000 22.50%
1000 19.07%
86400 15.42%
3600 14.21%
1728000 11.24%
0 3.11%
1800 2.93%
600 2.39%
3628800 1.17%
3000 1.17%
-1 0.82%
300 0.57%
31536000 0.48%
1 0.45%
7200 0.38%
60 0.35%
172800 0.34%
1209600 0.27%
60000 0.22%
864000 0.20%