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-control134,367
Percentage of websites that use surrogate-control header0.22%
Total discovered header values1,707
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country United States

surrogate-control Directives

surrogate-control directives value information and usage statistics
DirectiveShareWebsites countUnique Values

Websites utilizing surrogate-control

List of websites that use surrogate-control header
DomainCountryRankContacts
discord.com United States357
researchgate.net United States692
whois.gandi.net France836
imgix.com United States1,164
ssa.gov United States1,693
formstack.com United States1,808
See full domain list

Common header values

List of top common surrogate-control header values
Header valueValue prevalence
max-age=43200043.61%
max-age=214748364741.03%
432003.85%
no-store, content="BigPipe/1.0"3.09%
no-store2.90%
max-age=36000.94%
max-age=12000.91%
max-age=25920000.49%
ESI/1.00.47%
max-age=600.15%
max-age=864000.13%
max-age=86400, stale-while-revalidate=86400, stale-if-error=864000.13%
content="ESI/1.0"0.10%
public, max-age=864000.09%
max-age=3000.06%
max-age=6000.06%
content=SSI/1.00.06%
max-age=6048000.05%
content="ORAESI/9.0.4" max-age=150.04%
no-cache0.04%