ef-country-code

HTTP response header

Header usage statistics

ef-country-code response header information and usage statistics.
Websites using header ef-country-code186
Percentage of websites that use ef-country-code header<0.1%
Total discovered header values1
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country United States

ef-country-code Directives

ef-country-code directives value information and usage statistics
DirectiveShareWebsites countUnique Values

ef-country-code header usage distribution by website rank



Geographical Distribution

Header usage distribution by websites across the globe.



Websites utilizing ef-country-code

List of websites that use ef-country-code header
DomainCountryRankContacts
ef.com Switzerland61,035
ef.co.id Indonesia164,545
www.ef.co.id Indonesia164,545
ef.edu United States279,180
www.ef.edu United States279,180
ef.de Germany313,211
See full domain list

Common header values

List of top common ef-country-code header values
Header valueValue prevalence
US100.00%