Access-Control-Allow-Credentials

HTTP response header

Specifying which web sites can participate in cross-origin resource sharing (Indicates whether or not the response to the request can be exposed when the credentials flag is true)

Header usage statistics

Access-Control-Allow-Credentials response header information and usage statistics.

Websites using header Access-Control-Allow-Credentials 127,321
Percentage of websites that use Access-Control-Allow-Credentials header 0.24%
Total discovered header values 58
Header uses directives Yes
Header values are unique or random No
Most popular in the country United States of America

Access-Control-Allow-Credentials Directives (2 total)

  • false
  • true

Access-Control-Allow-Credentials Directives

Access-Control-Allow-Credentials directives value information and usage statistics

Directive Share Websites count Unique Values
true 30.94% 39,391 1
false 9.43% 12,007 1

Distribution by websites popularity

Access-Control-Allow-Credentials detection in the top websites by popularity

Top 10k sites 202 websites
Top 100k sites 846 websites
Top 1m sites 5,457 websites

Websites utilizing Access-Control-Allow-Credentials

List of websites that use Access-Control-Allow-Credentials header

Domain Country Rank Contacts
facebook.com United States of America 2
forbes.com United States of America 42
www.forbes.com United States of America 42
www.nytimes.com United States of America 47
imgur.com United States of America 106
www.npr.org United States of America 148
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-Allow-Credentials header values

Header value Value prevalence
true 81.70%
false 17.86%
* 0.28%
1 0.05%
: true 0.04%
true, true 0.02%
https://omwpapi.com 0.01%
'true' 0.00%
yes 0.00%
 true 0.00%
true; 0.00%
true,* 0.00%
Content-true 0.00%
content-type,accept,origin,true-client-ip,gpid 0.00%
true,true 0.00%
wefunder.honeycombcredit.com 0.00%
http://moxies.urvi.ssdev.ca 0.00%
ture 0.00%
POST, GET, OPTIONS, PUT, DELETE 0.00%
“true” 0.00%