Access-Control-Allow-Credentials

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	296,877
Percentage of websites that use Access-Control-Allow-Credentials header	0.37%
Total discovered header values	79
Header uses directives	Yes
Header values are unique or random	No
Most popular in the country	United States