BFCache-Opt-In

HTTP response header

Header usage statistics

BFCache-Opt-In response header information and usage statistics.

Websites using header BFCache-Opt-In 1,485
Percentage of websites that use BFCache-Opt-In header <0.1%
Total discovered header values 1
Header uses directives No
Header values are unique or random No
Most popular in the country United States of America

Distribution by websites popularity

BFCache-Opt-In detection in the top websites by popularity

Top 10k sites 165 websites
Top 100k sites 415 websites
Top 1m sites 587 websites

Websites utilizing BFCache-Opt-In

List of websites that use BFCache-Opt-In header

Domain Country Rank Contacts
google.com United States of America 3
www.google.com United States of America 3
maps.google.com United States of America 24
google.de United States of America 153
www.google.de United States of America 153
google.co.jp United States of America 284
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Geographical Distribution

Header usage distribution by websites across the globe.






Common header values

List of top common BFCache-Opt-In header values

Header value Value prevalence
unload 100.00%