HTTP response header

Header usage statistics

X-Cached-By response header information and usage statistics.

Websites using header X-Cached-By 2,285
Percentage of websites that use X-Cached-By header <0.1%
Total discovered header values 19
Header uses directives No
Header values are unique or random No
Most popular in the country Germany

Distribution by websites popularity

X-Cached-By detection in the top websites by popularity

Top 10k sites 5 websites
Top 100k sites 13 websites
Top 1m sites 127 websites

Websites utilizing X-Cached-By

List of websites that use X-Cached-By header

Domain Country Rank Contacts
www.scmp.com United States of America 333
www.epa.gov United States of America 754
www.emaxhealth.com United States of America 5,330
hiphop.de Germany 7,989
www.tordesgeants.it United States of America 9,877
cdu-saar.de Germany 21,210
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Geographical Distribution

Header usage distribution by websites across the globe.

Common header values

List of top common X-Cached-By header values

Header value Value prevalence
Boost 50.81%
cache4 38.29%
Bolt 4.81%
front1.ivengi.net 1.31%
cache5 1.27%
front2.ivengi.net 0.74%
cache2 0.66%
cache3 0.48%
Bolt + HolePunch 0.39%
Boost Nginx 0.39%
front-web 0.26%
cache1 0.22%
production-varnish-scmp-pwa-576465df77-cgtr4 0.09%
316tn FlexiBelle CMS 0.04%
cnc-imgcache-02 - MISS 0.04%
production-varnish-goldthread-d45b55784-985qj 0.04%
production-varnish-lift-78bb546dbd-fvjcr 0.04%
www-hosting-nginx 0.04%
zend 0.04%