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 | 1,948 |
Percentage of websites that use Surrogate-Control header | <0.1% |
Total discovered header values | 110 |
Header uses directives | No |
Header values are unique or random | No |
Most popular in the country | ![]() |
Top 10k sites | 30 websites |
Top 100k sites | 89 websites |
Top 1m sites | 439 websites |
Domain | Country | Rank | Contacts |
---|---|---|---|
|
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217 | |
|
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252 | |
|
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436 | |
|
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638 | |
|
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742 | |
|
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823 |
Header value | Value prevalence |
---|---|
no-store | 41.53% |
no-store, content="BigPipe/1.0" | 13.86% |
max-age=3600 | 3.85% |
content="ESI/1.0" | 3.75% |
content="ORAESI/9.0.4" max-age=15 | 2.87% |
ESI/1.0 | 2.52% |
max-age=86400, stale-while-revalidate=86400, stale-if-error=86400 | 2.36% |
varnish=ESI/2.1 | 2.00% |
max-age=1200 | 1.95% |
max-age=86400 | 1.95% |
public,max-age=240,stale-while-revalidate=300,stale-if-error=14400 | 1.69% |
no-cache | 1.59% |
public, max-age=0, s-maxage=0, max-stale=86400 | 1.28% |
43200 | 1.08% |
content="ESI/1.0", compress=yes | 1.08% |
ESI/2.1 | 0.92% |
max-age=600, stale-if-error=31536000 | 0.92% |
max-age=300 | 0.77% |
content="ORAESI/9.0.4" | 0.77% |
max-age=60 | 0.72% |