Cross-Origin-Opener-Policy

HTTP response header

Header usage statistics

Cross-Origin-Opener-Policy response header information and usage statistics.

Websites using header Cross-Origin-Opener-Policy 286
Percentage of websites that use Cross-Origin-Opener-Policy header <0.1%
Total discovered header values 5
Header uses directives No
Header values are unique or random No
Most popular in the country United States of America

Distribution by websites popularity

Cross-Origin-Opener-Policy detection in the top websites by popularity

Top 10k sites 14 websites
Top 100k sites 58 websites
Top 1m sites 203 websites

Websites utilizing Cross-Origin-Opener-Policy

List of websites that use Cross-Origin-Opener-Policy header

Domain Country Rank Contacts
twitter.com United States of America 3
www.usatoday.com United States of America 123
mobile.twitter.com United States of America 475
www.freep.com United States of America 1,266
www.cincinnati.com United States of America 1,343
www.citizen-times.com United States of America 2,076
See full domain list

Geographical Distribution

Header usage distribution by websites across the globe.






Common header values

List of top common Cross-Origin-Opener-Policy header values

Header value Value prevalence
same-origin 96.15%
unsafe-none 2.10%
Allow-PostMessage 0.70%
same-origin-allow-popups 0.70%
deny 0.35%