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 5,319
Percentage of websites that use Surrogate-Control header <0.1%
Total discovered header values 138
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 28 websites
Top 100k sites 90 websites
Top 1m sites 426 websites

Websites utilizing Surrogate-Control

List of websites that use Surrogate-Control header

Domain Country Rank Contacts Germany 217 United States of America 252 United States of America 436 United States of America 638 Netherlands 742 United States of America 823
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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 36.81%
max-age=1200 17.09%
no-store, content="BigPipe/1.0" 16.68%
ESI/1.0 3.16%
max-age=86400 2.54%
max-age=86400, stale-while-revalidate=86400, stale-if-error=86400 2.27%
max-age=3600 1.90%
public, max-age=0, s-maxage=0, max-stale=86400 1.77%
content="ESI/1.0" 1.43%
no-cache 1.17%
content="ORAESI/9.0.4" max-age=15 1.11%
43200 1.05%
max-age=60 0.90%
public,max-age=240,stale-while-revalidate=300,stale-if-error=14400 0.79%
varnish=ESI/2.1 0.73%
no-store, bypass-cache 0.58%
content="ESI/1.0",no-store 0.56%
max-age=300 0.49%
content="ESI/1.0", compress=yes 0.47%
content="SSI/1.0" 0.47%