HTTP response header

Header usage statistics

Referer response header information and usage statistics.

Websites using header Referer 3,541
Percentage of websites that use Referer header <0.1%
Total discovered header values 3,151
Header uses directives No
Header values are unique or random No
Most popular in the country France

Distribution by websites popularity

Referer detection in the top websites by popularity

Top 10k sites 6 websites
Top 100k sites 10 websites
Top 1m sites 123 websites

Websites utilizing Referer

List of websites that use Referer header

Domain Country Rank Contacts United States of America 773 United States of America 1,513 United States of America 1,564 United States of America 3,927 Spain 3,981 United States of America 8,846
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Geographical Distribution

Header usage distribution by websites across the globe.

Common header values

List of top common Referer header values

Header value Value prevalence 5.25%
: 0 2.15% 1.52%
no-referrer 0.34%
/ 0.28%
no-referrer-when-downgrade 0.20%
same-origin 0.20% 0.17%
strict-origin-when-cross-origin 0.17%
Origin When Cross-Origin 0.14%
default-src 'self' 0.14%
(null) 0.11% 0.11%
no-referer 0.08%
strict-origin 0.08% 0.08% 0.08% 0.06% 0.06% 0.06%