EVIDENCE FOR YOUR NEXT WEB DECISION

Asset Filename Cache Busting Checker

Compare manifest hashes and filenames; flag changed content with unchanged cache keys.

Worked exampleBrowser processingUseful downloads

A clear result starts here

Add your input or try the worked example.

Using Asset Filename Cache Busting Checker

Compare manifest hashes and filenames; flag changed content with unchanged cache keys.

Use Try example to explore asset filename cache busting checker, or enter your own asset history csv / json.
Review the input format and the scope note before processing.
Choose Review input and inspect the result, including any review flags or unsupported cases.
Use the relevant download buttons to keep your result. CSV and report JSON preserve the available findings; original files are not changed.

Example

Asset history CSV / JSON: old_url,new_url,old_hash,new_hash,cache_control
/app.js,/app.js,aaa,bbb,max-age=31536000
/style.v1.css,/style.v2.css,ccc,ddd,immutable
/logo.png,/logo.png,eee,eee,max-age=3600

Questions & answers

What does Asset Filename Cache Busting Checker do?

Compare manifest hashes and filenames; flag changed content with unchanged cache keys.

What input does this tool support?

Asset history CSV / JSON: Columns: old_url,new_url,old_hash,new_hash,cache_control

What should I check before using the result?

Checks supplied content hashes and cache keys. Actual browser/CDN behavior also depends on validators, purge rules and deployment headers.

Can I keep or share the result?

Yes. Use the result-specific downloads, CSV where available and report JSON. Downloads can contain your supplied information, so review the content before sharing. Processing runs in this browser; public pages also include the site’s approved advertising and optional analytics.