up.protocol
X-Up-Clear-Cache
HTTP header
This feature has been deprecated. Use X-Up-Expire-Cache instead.
Load unpoly-migrate.js
to polyfill deprecated features.
The server may send this optional response header to control which previously cached responses should be expired after this response.
The value of this header is a URL pattern matching responses that should be expired.
For example, to expire all responses to URLs starting with /notes/:
X-Up-Clear-Cache: /notes/*