HTTP response header

Header usage statistics

cc-perf response header information and usage statistics.

Websites using header cc-perf 1,386
Percentage of websites that use cc-perf header <0.1%
Total discovered header values 518
Header uses directives No
Header values are unique or random No
Most popular in the country United States of America

Distribution by websites popularity

cc-perf detection in the top websites by popularity

Top 10k sites 1 websites
Top 100k sites 5 websites
Top 1m sites 38 websites

Websites utilizing cc-perf

List of websites that use cc-perf header

Domain Country Rank Contacts United States of America 7,096 United States of America 13,894 United States of America 19,348 United States of America 27,866 United States of America 43,331 United States of America 102,973
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Geographical Distribution

Header usage distribution by websites across the globe.

Common header values

List of top common cc-perf header values

Header value Value prevalence
fetch-headers=54;t=59 1.80%
fetch-headers=45;t=50 1.66%
fetch-headers=51;t=56 1.52%
fetch-headers=60;t=65 1.52%
fetch-headers=50;t=55 1.44%
fetch-headers=49;t=54 1.37%
fetch-headers=55;t=60 1.30%
fetch-headers=44;t=49 1.30%
fetch-headers=41;t=46 1.30%
fetch-headers=59;t=64 1.15%
fetch-headers=42;t=47 1.08%
fetch-headers=40;t=45 1.08%
fetch-headers=38;t=43 1.08%
fetch-headers=53;t=58 1.01%
fetch-headers=48;t=53 1.01%
fetch-headers=58;t=63 0.94%
fetch-headers=39;t=44 0.94%
fetch-headers=63;t=68 0.94%
fetch-headers=52;t=57 0.94%
fetch-headers=43;t=48 0.87%