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 Germany 271 France 836 United States of America 1,709 United States of America 2,111 Russian Federation 3,022 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%