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-Headers136,653
Percentage of websites that use Access-Control-Expose-Headers header0.24%
Total discovered header values3,727
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-context24.87%33,9881
content-length16.57%22,6441
content-range11.86%16,2041
content-type8.27%11,2981
x-frontend5.44%7,4281
*5.14%7,0181
x-request-id4.50%6,1541
location4.03%5,5021
date3.10%4,2371
range2.77%3,7921
cache-control2.39%3,2601
x-requested-with2.21%3,0231
x-csrf-token1.96%2,6821
if-modified-since1.47%2,0021
user-agent1.38%1,8901
keep-alive1.29%1,7631
dnt1.28%1,7491
transfer-encoding1.12%1,5311
x-frame-options0.80%1,0931
x-customheader0.69%9391
api-version0.65%8841
x-cdn-diag0.35%4851
x-proxy-cache0.10%1401

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
paypal.com United States65
vk.com Russia74
nytimes.com United States77
unpkg.com United States96
See full domain list

Common header values

List of top common Access-Control-Expose-Headers header values
Header valueValue prevalence
Request-Context24%
X-Log, X-Reqid6%
Content-Length,Content-Range6%
X-Frontend5%
*5%
AMP-Access-Control-Allow-Source-Origin3%
Content-Length2%
x-request-id2%
WWW-Authenticate,Server-Authorization1%
Content-Type1%
Location, X-Request-Id1%
Content-Disposition1%
X-WP-Total, X-WP-TotalPages, Link1%
X-Csrf-Token1%
x-amzn-waf-action1%
Content-Security-Policy, Location0%
Authorization0%
x-ms-request-id,Content-Length,Date,Transfer-Encoding0%
x-country-code,x-region0%
API-Version,X-FRAME-OPTIONS,Content-Security-Policy0%