HTTP response header

Header usage statistics

X-Rack-CORS response header information and usage statistics.

Websites using header X-Rack-CORS2,530
Percentage of websites that use X-Rack-CORS header<0.1%
Total discovered header values3
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country US

X-Rack-CORS Directives

X-Rack-CORS directives value information and usage statistics

DirectiveShareWebsites countUnique Values

Distribution by websites popularity

X-Rack-CORS detection in the top websites by popularity

Top 10k sites2 websites
Top 100k sites15 websites
Top 1m sites100 websites

Websites utilizing X-Rack-CORS

List of websites that use X-Rack-CORS header

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Geographical Distribution

Header usage distribution by websites across the globe.

Common header values

List of top common X-Rack-CORS header values

Header valueValue prevalence
miss; no-origin79.53%
preflight-hit; no-origin20.40%
miss; no-path0.08%