ring.middleware.not-modified

Middleware that returns a 304 Not Modified response for responses with
Last-Modified headers.

not-modified-response

added in 1.2

(not-modified-response response request)
Returns 304 or original response based on response and request.
See: wrap-not-modified.

wrap-not-modified

added in 1.2

(wrap-not-modified handler)
Middleware that returns a 304 Not Modified from the wrapped handler if the
handler response has an ETag or Last-Modified header, and the request has a
If-None-Match or If-Modified-Since header that matches the response.