HTTP response header

Header usage statistics

WWW-Authenticate response header information and usage statistics.

Websites using header WWW-Authenticate145,818
Percentage of websites that use WWW-Authenticate header0.15%
Total discovered header valuesMore than 10,000
Header uses directivesYes
Header values are unique or randomNo
Most popular in the country US

WWW-Authenticate directives (7 total)

  • basic
  • bearer
  • charset
  • digest
  • negotiate
  • oauth
  • realm

WWW-Authenticate Directives

WWW-Authenticate directives value information and usage statistics

DirectiveShareWebsites countUnique Values

Connected technologies

Technologies that utilize the header

Basic, category Security Solutions, total 134,112 websites
phpMyAdmin, category Database Managers, total 9,176 websites
NTLM, category Security Solutions, total 7,138 websites
SPNEGO, category Security Solutions, total 4,486 websites
VisualSVN, category Revision Control System, total 2,290 websites
Digest, category Security Solutions, total 2,132 websites
FireEye, category Security Solutions, total 1,832 websites
Oracle Commerce Cloud, category Customer Relationship Management, total 855 websites
XAMPP, category Web Servers, total 249 websites
Wowza Media Server, category Media Servers, total 135 websites

Distribution by websites popularity

WWW-Authenticate detection in the top websites by popularity

Top 10k sites6 websites
Top 100k sites109 websites
Top 1m sites1,269 websites

Websites utilizing WWW-Authenticate

List of websites that use WWW-Authenticate header

ln.hixie.ch CH909
graph.facebook.com US1,370
zixun.haodf.com CN1,493
www.haodf.com CN2,840
www.stern.de DE6,588
blogs.igalia.com FR9,435
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Geographical Distribution

Header usage distribution by websites across the globe.

Common header values

List of top common WWW-Authenticate header values

Header valueValue prevalence
Basic realm="Restricted"3.72%
Basic realm="Restricted Area"3.03%
Basic realm="Restricted Content"2.48%
Basic realm="VisualSVN Server"1.57%
Basic realm="Weebly"1.31%
Basic realm="Login"1.22%
Basic realm="Member Site"1.19%
Basic realm="Password Protected Area"1.16%
Basic realm="Authentication Required"1.04%
Basic realm="Protected"1.00%
Basic realm="Please enter your ID and password"0.95%
Basic realm="Restricted Access"0.95%
Basic realm="bitte Zugangsdaten eingeben"0.85%
Basic realm=" "0.81%
Basic realm="Members Only"0.80%
Basic realm="Access Restricted (pwrestrict)"0.74%
Key realm="kong"0.72%