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 2,167
Percentage of websites that use Surrogate-Control header <0.1%
Total discovered header values 107
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 18 websites
Top 100k sites 56 websites
Top 1m sites 401 websites

Websites utilizing Surrogate-Control

List of websites that use Surrogate-Control header

Domain Country Rank Contacts Germany 217 United States of America 252 Netherlands 742 United States of America 823 United States of America 1,231 United States of America 1,406
See full domain list

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 34.43%
max-age=2592000 18.18%
max-age=2592000, public 7.66%
no-store, bypass-cache 5.54%
content="ESI/1.0" 3.09%
max-age=3600 2.58%
content="ORAESI/9.0.4" max-age=15 2.58%
ESI/1.0 1.89%
max-age=86400, stale-while-revalidate=86400, stale-if-error=86400 1.75%
no-store, content="BigPipe/1.0" 1.62%
max-age=1200 1.48%
public, max-age=0, s-maxage=0, max-stale=86400 1.43%
max-age=86400 1.29%
43200 1.06%
content="ESI/1.0", compress=yes 1.02%
no-cache 1.02%
max-age=600, stale-if-error=31536000 0.88%
ESI/2.1 0.83%
max-age=300 0.74%
content="ESI/1.0",no-store 0.69%