Cache-Control Header Checker - Audit HTTP caching configuration

Pricing

Pay per usage

Cache-Control Header Checker - Audit HTTP caching configuration

Audit HTTP caching response headers (Cache-Control, Expires, ETag, Last-Modified, Vary, Age). Optionally tests conditional revalidation using If-None-Match / If-Modified-Since. Useful for web performance tuning and debugging CDN/browser caching behavior.

Pricing

Pay per usage

Rating

0.0

(0)

Developer

Bikram Adhikari

Maintained by Community

Actor stats

Bookmarked

Total users

Monthly active users

11 hours ago

Last modified

Cache-Control Header Checker (HTTP caching audit)

Audit HTTP caching response headers for one or more URLs.

This actor fetches headers and evaluates:

Cache-Control
Expires
ETag
Last-Modified
Vary
Age

Optionally it can perform a conditional revalidation request using If-None-Match / If-Modified-Since (when validators are present) to check whether the server returns 304 Not Modified.

Input

Start URLs: URLs to check
Use HEAD request first: Try HEAD and fall back to GET when needed
Validate revalidation: Perform a second conditional request (may double requests)
Follow redirects / max redirects
Timeout / max concurrency
Proxy configuration (optional)

Output

Dataset (per URL)

Each dataset item contains:

start URL + final URL + HTTP status
caching policy classification + score (0-100)
warnings/errors with codes
parsed caching-related headers
optional revalidation result

Key-value store

SUMMARY: aggregate counts + average score
REPORT: SUMMARY plus top issue codes

Notes

“Good” caching depends on content type (HTML vs static assets). This actor surfaces signals; interpret results in context.
Some origins/CDNs vary behavior by request headers (e.g., Accept-Encoding), so results can differ from a browser.

Quick start

Store page: https://apify.com/scrappy_garden/cache-control-checker

Paste this into Input and click Run:

{
  "startUrls": [
    {
      "url": "https://example.com/"
    }
  ],
  "proxyConfiguration": {
    "useApifyProxy": false
  }
}

Outputs (what you get)

Dataset: Dataset items typically include fields like: startUrl, finalUrl, statusCode, redirected, cacheScore, cachePolicy, warningCount, errorCount, issues, checkedAt.
Key-value store: REPORT, SUMMARY

Tips (trust + predictable results)

Start with 1–3 URLs to validate behavior, then scale up.
If a target blocks requests, enable Proxy and/or slow down concurrency in Input.
Use the SUMMARY / REPORT keys (when present) for automation pipelines and monitoring.

broken-link-checker (https://apify.com/scrappy_garden/broken-link-checker)
canonical-url-checker (https://apify.com/scrappy_garden/canonical-url-checker)
meta-tag-analyzer (https://apify.com/scrappy_garden/meta-tag-analyzer)
security-headers-checker (https://apify.com/scrappy_garden/security-headers-checker)

Search keywords

cache control checker, cache-control header checker - audit http caching configuration, website audit, seo

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