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 8,642
Percentage of websites that use Access-Control-Max-Age header <0.1%
Total discovered header values 90
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 61 websites
Top 100k sites 199 websites
Top 1m sites 1,524 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 68
use.fontawesome.com United States of America 374
mega.nz EU 377
officedepot.com United States of America 418
www.officedepot.com United States of America 418
www.vmware.com United States of America 3,736,768
See full domain list

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
86400 28.05%
1000 25.11%
3600 17.28%
1728000 9.71%
2592000 3.31%
0 2.97%
600 2.89%
3000 2.24%
300 0.94%
1800 0.91%
60 0.58%
900 0.54%
31536000 0.47%
7200 0.43%
3628800 0.35%
1 0.32%
15 0.31%
1209600 0.28%
10 0.25%
360 0.17%