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
Websites using header Surrogate-Control | 13,637 |
Percentage of websites that use Surrogate-Control header | <0.1% |
Total discovered header values | 232 |
Header uses directives | No |
Header values are unique or random | No |
Most popular in the country | United States |
Directive | Share | Websites count | Unique Values |
---|
Domain | Country | Rank | Contacts |
---|---|---|---|
www.xing.com | Germany | 271 | |
www.meetup.com | United States | 773 | |
whois.gandi.net | France | 836 | |
ispsystem.com | United States | 1,103 | |
www.ispsystem.com | Germany | 1,103 | |
www.ssa.gov | United States | 1,693 |
Header value | Value prevalence |
---|---|
no-store | 32.87% |
no-store, content="BigPipe/1.0" | 26.71% |
max-age=1200 | 12.19% |
max-age=3600 | 9.02% |
ESI/1.0 | 2.32% |
max-age=86400 | 1.56% |
max-age=86400, stale-while-revalidate=86400, stale-if-error=86400 | 1.51% |
max-age=60 | 1.44% |
max-age=300 | 0.96% |
public, max-age=86400 | 0.84% |
content="ESI/1.0" | 0.81% |
content=SSI/1.0 | 0.59% |
content="ORAESI/9.0.4" max-age=15 | 0.43% |
varnish=ESI/2.1 | 0.42% |
max-age=2592000 | 0.30% |
ESI/2.1 | 0.26% |
no-cache | 0.25% |
public, max-age=300 | 0.25% |
max-age=3600, public | 0.25% |
content="ORAESI/9.0.4" | 0.25% |