Pragma

HTTP response header

The only directive defined in HTTP/1.1 is the no-cache directive. It is used to tell caching proxies to contact the server for the requested document instead of using its local cache

Header usage statistics

Pragma response header information and usage statistics.
Websites using header Pragma11,238,217
Percentage of websites that use Pragma header13.91%
Total discovered header values395
Header uses directivesYes
Header values are unique or randomNo
Most popular in the country United States

Pragma directives (1 total)

  • no-cache

Pragma Directives

Pragma directives value information and usage statistics
DirectiveShareWebsites countUnique Values
no-cache97.30%10,935,0865

Pragma header usage distribution by website rank



Geographical Distribution

Header usage distribution by websites across the globe.



Websites utilizing Pragma

List of websites that use Pragma header
DomainCountryRankContacts
fonts.googleapis.com United States1
www.facebook.com United States2
www.google.com United States3
youtube.com United States6
www.youtube.com United States6
twitter.com United States7
See full domain list

Common header values

List of top common Pragma header values
Header valueValue prevalence
no-cache96.90%
public2.38%
cache0.33%
private0.09%
no-cache, no-cache0.07%
no-cache,no-cache0.06%
nocache0.03%
no-store0.03%
no-cache,no-cache,no-cache,no-cache,no-cache0.01%
max-age=3000.01%
public, must-revalidate, max-age=100.01%
no-cache, no-store0.01%
no-store,no-cache0.01%
no-cache,no-cache,no-cache,no-cache0.00%
no-cache,no-store0.00%
no-cache,no-cache,no-cache0.00%
no-cache,no-cache,no-cache,no-cache,no-cache,no-cache0.00%
no-store, no-cache0.00%
no-cache,0.00%
no-cache, no-transform0.00%