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Durations
How long is 604800 seconds, and what is that as a max-age?
The unit conversion, plus the two places a duration is actually typed: a Cache-Control max-age in seconds, and a cookie expiry. Both are printed ready to paste.
- milliseconds 604800000
- seconds 604800
- minutes 10080
- hours 168
- days 7
- as a Cache-Control max-age=604800
- as a cookie Max-Age Max-Age=604800
how to use it
- Type the duration and pick its unit.
- Read it spelled out, then in every other unit.
- The last two rows are the header and the attribute this number usually ends up in.
what this page cannot do
The extension reads the cache lifetimes a page's own responses declare, so you find the asset served with a five-minute max-age rather than converting a number somebody quoted you.
Requests in the panel What did this page load, and which request failed or dragged?
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