HTTP response header

Header usage statistics

Protocol response header information and usage statistics.

Websites using header Protocol16,431
Percentage of websites that use Protocol header<0.1%
Total discovered header values6
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country US

Protocol Directives

Protocol directives value information and usage statistics

DirectiveShareWebsites countUnique Values

Distribution by websites popularity

Protocol detection in the top websites by popularity

Top 10k sites22 websites
Top 100k sites162 websites
Top 1m sites1,190 websites

Websites utilizing Protocol

List of websites that use Protocol header

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Geographical Distribution

Header usage distribution by websites across the globe.

Common header values

List of top common Protocol header values

Header valueValue prevalence
{PICS-1.1 {headers PICS-Label}}0.07%
{PICS-1.1 {headers PICS-Label}}, {PICS-1.1 {headers PICS-Label}}0.04%
HTTP/1.1 403 Forbidden0.01%