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HTTP Cache Headers Analyzer API
Can browsers and CDNs cache this URL? Get JSON answers
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Can browsers and CDNs cache this URL? Get JSON answers
1 follower
Send a URL, get JSON: a cacheability verdict, freshness lifetime for browsers and shared caches (with the source: s-maxage, max-age, Expires or heuristic), validators, Vary, Age, CDN cache headers and a list of concrete issues such as conflicting directives or Set-Cookie on cacheable responses. Based on RFC 9111 and RFC 9110. One anonymous GET, body discarded.
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