Surrogate-Control

HTTP response header

The Surrogate-Control response header allows origin servers to dictate how surrogates should handle response entities with control directives. Currently defined directives control processing and cache behavior

Header usage statistics

Surrogate-Control response header information and usage statistics.

Websites using header Surrogate-Control 19,287
Percentage of websites that use Surrogate-Control header <0.1%
Total discovered header values 210
Header uses directives No
Header values are unique or random No
Most popular in the country United States of America

Distribution by websites popularity

Surrogate-Control detection in the top websites by popularity

Top 10k sites 24 websites
Top 100k sites 218 websites
Top 1m sites 1,000 websites

Websites utilizing Surrogate-Control

List of websites that use Surrogate-Control header

Domain Country Rank Contacts
www.xing.com Germany 271
whois.gandi.net France 836
www.notion.so United States of America 1,709
www.nist.gov United States of America 2,111
passport.yandex.ru Russian Federation 3,022
www.miamiherald.com United States of America 5,279
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Geographical Distribution

Header usage distribution by websites across the globe.






Common header values

List of top common Surrogate-Control header values

Header value Value prevalence
no-store 55.43%
max-age=1200 12.56%
no-store, content="BigPipe/1.0" 10.05%
max-age=3600 6.27%
public, max-age=0, s-maxage=0, max-stale=86400 2.84%
max-age=86400, stale-while-revalidate=86400, stale-if-error=86400 1.18%
ESI/1.0 1.16%
max-age=86400 0.95%
max-age=60 0.95%
no-store, bypass-cache 0.63%
max-age=2592000 0.51%
content="ESI/1.0" 0.49%
content="ESI/1.0",no-store 0.38%
43200 0.37%
content="ORAESI/9.0.4" max-age=15 0.36%
max-age=300 0.35%
varnish=ESI/2.1 0.31%
content=SSI/1.0 0.29%
BigPipe/1.0 0.25%
content="SSI/1.0" 0.22%