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-Control14,777
Percentage of websites that use Surrogate-Control header<0.1%
Total discovered header values196
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country US

Surrogate-Control Directives

Surrogate-Control directives value information and usage statistics

DirectiveShareWebsites countUnique Values

Distribution by websites popularity

Surrogate-Control detection in the top websites by popularity

Top 10k sites35 websites
Top 100k sites241 websites
Top 1m sites1,110 websites

Websites utilizing Surrogate-Control

List of websites that use Surrogate-Control header

DomainCountryRankContacts
www.xing.com DE271
whois.gandi.net FR836
trello.com AU1,616
www.notion.so SO1,709
www.nist.gov US2,111
www.fema.gov US2,327
See full domain list
Flat price per the report, subscription is not required.

Geographical Distribution

Header usage distribution by websites across the globe.






Common header values

List of top common Surrogate-Control header values

Header valueValue prevalence
no-store31.22%
no-store, content="BigPipe/1.0"18.23%
max-age=120015.18%
max-age=58.45%
max-age=36008.28%
public, max-age=0, s-maxage=0, max-stale=864003.15%
max-age=86400, stale-while-revalidate=86400, stale-if-error=864001.44%
max-age=864001.25%
max-age=601.12%
ESI/1.01.07%
max-age=25920000.66%
content="ESI/1.0"0.64%
content="ORAESI/9.0.4" max-age=150.47%
content="ESI/1.0",no-store0.46%
432000.43%
max-age=3000.42%
content=SSI/1.00.40%
varnish=ESI/2.10.39%
max-age=1296000, stale-while-revalidate=604800, stale-if-error=6048000.30%
public, max-age=864000.29%