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 United States of America 2 United States of America 42 United States of America 42 United States of America 47 United States of America 106 United States of America 148
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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% 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% 0.00% 0.00%
ture 0.00%
“true” 0.00%