HTTP response header

Header usage statistics

X-B3-Sampled response header information and usage statistics.

Websites using header X-B3-Sampled 1,034
Percentage of websites that use X-B3-Sampled header <0.1%
Total discovered header values 3
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 5,712 websites

Distribution by websites popularity

X-B3-Sampled detection in the top websites by popularity

Top 10k sites 6 websites
Top 100k sites 12 websites
Top 1m sites 131 websites

Websites utilizing X-B3-Sampled

List of websites that use X-B3-Sampled header

Domain Country Rank Contacts
www.yelp.com United States of America 73
www.nature.com United States of America 181
www.yelp.ca United States of America 3,501
www.yelp.com.au United States of America 5,554
www.yelp.co.uk United States of America 6,542
www.yelp.es United States of America 6,578
See full domain list
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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 88.39%
1 11.03%
false 0.58%