Access-Control-Expose-Headers

HTTP response header

The Access-Control-Expose-Headers response header indicates which headers can be exposed as part of the response by listing their names

Header usage statistics

Access-Control-Expose-Headers response header information and usage statistics.
Websites using header Access-Control-Expose-Headers154,561
Percentage of websites that use Access-Control-Expose-Headers header0.19%
Total discovered header values3,261
Header uses directivesYes
Header values are unique or randomNo
Most popular in the country United States

Access-Control-Expose-Headers directives (23 total)

  • *
  • api-version
  • cache-control
  • content-length
  • content-range
  • content-type
  • date
  • dnt
  • if-modified-since
  • keep-alive
  • location
  • range
  • request-context
  • transfer-encoding
  • user-agent
  • x-cdn-diag
  • x-csrf-token
  • x-customheader
  • x-frame-options
  • x-frontend
  • x-proxy-cache
  • x-request-id
  • x-requested-with

Access-Control-Expose-Headers Directives

Access-Control-Expose-Headers directives value information and usage statistics
DirectiveShareWebsites countUnique Values
request-context30.31%46,8541
content-length18.70%28,8961
content-range11.70%18,0801
content-type8.21%12,6901
x-frontend4.05%6,2541
*3.31%5,1151
date3.24%5,0071
location3.12%4,8241
cache-control2.80%4,3221
range2.35%3,6261
x-request-id2.08%3,2201
x-requested-with1.94%3,0021
transfer-encoding1.48%2,2811
if-modified-since1.16%1,7971
user-agent1.09%1,6801
dnt1.03%1,5871
keep-alive1.03%1,5861
x-frame-options0.93%1,4431
x-customheader0.88%1,3651
api-version0.76%1,1681
x-cdn-diag0.49%7501
x-csrf-token0.41%6411
x-proxy-cache0.11%1631

Access-Control-Expose-Headers header usage distribution by website popularity



Geographical Distribution

Header usage distribution by websites across the globe.



Websites utilizing Access-Control-Expose-Headers

List of websites that use Access-Control-Expose-Headers header
DomainCountryRankContacts
cdn.jsdelivr.net United States42
schema.org United States64
www.paypal.com United States65
vk.com Russia74
nytimes.com United States77
www.nytimes.com United States77
See full domain list

Common header values

List of top common Access-Control-Expose-Headers header values
Header valueValue prevalence
Request-Context30.29%
X-Log, X-Reqid9.56%
Content-Length,Content-Range6.94%
X-Frontend4.04%
AMP-Access-Control-Allow-Source-Origin3.62%
*3.18%
Content-Length2.54%
Access-Control-Allow-Origin,Access-Control-Allow-Credentials1.82%
WWW-Authenticate,Server-Authorization1.59%
Server-Timing1.33%
Location, X-Request-Id1.32%
Content-Disposition1.30%
Content-Type1.06%
X-WP-Total, X-WP-TotalPages, Link1.00%
x-dd-b, x-set-cookie0.97%
Content-Length, Access-Control-Allow-Origin, Access-Control-Allow-Headers, Content-Type, New-Token, New-Expires-At0.92%
x-ms-request-id,Content-Length,Date,Transfer-Encoding0.90%
Content-Security-Policy, Location0.80%
x-auth-token0.79%
Cache-Control, Content-Language, Content-Type, Expires, Last-Modified, Pragma, Etag, X-Timestamp, X-Trans-Id, X-Openstack-Request-Id, Content-Length, Accept-Ranges0.75%