CAF

HTTP response header

Header usage statistics

CAF response header information and usage statistics.
Websites using header CAF6
Percentage of websites that use CAF header<0.1%
Total discovered header values1
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country United States

CAF Directives

CAF directives value information and usage statistics
DirectiveShareWebsites countUnique Values

CAF header usage distribution by website rank



Geographical Distribution

Header usage distribution by websites across the globe.



Websites utilizing CAF

List of websites that use CAF header
DomainCountryRankContacts
ncbi.nlm.nih.gov United States299
www.ncbi.nlm.nih.gov United States299
misuse.ncbi.nlm.nih.gov United States125,802
preview.ncbi.nlm.nih.gov United States497,627
0-www.ncbi.nlm.nih.gov.brum.beds.ac.uk GB1,139,067
www-ncbi-nlm-nih-gov.proxy.wexler.hunter.cuny.edu United States48,993,182
See full domain list

Common header values

List of top common CAF header values
Header valueValue prevalence
2.0.1100.00%