HTTP response header

Header usage statistics

x-b3-sampled response header information and usage statistics.

Websites using header x-b3-sampled 2,752
Percentage of websites that use x-b3-sampled 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

Connected technologies

Technologies that utilize the header

Zipkin, category Analytics, total 16,207 websites

Distribution by websites popularity

x-b3-sampled detection in the top websites by popularity

Top 10k sites 5 websites
Top 100k sites 26 websites
Top 1m sites 85 websites

Websites utilizing x-b3-sampled

List of websites that use x-b3-sampled header

Domain Country Rank Contacts
yelp.com United States of America 249
www.yelp.com United States of America 249
www.nature.com United States of America 804
www.zillow.com United States of America 2,277
www.autotrader.co.uk United States of America 7,482
yelp.ca United States of America 10,537
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Geographical Distribution

Header usage distribution by websites across the globe.

Common header values

List of top common x-b3-sampled header values

Header value Value prevalence
0 93.71%
1 5.89%
false 0.33%
1, 1 0.04%
localhost 0.04%