Cache Test


Expires:Last-modified:
Fri, 01 Jan 1999 12:00:00 GMTMon, 01 Nov 1999 12:00:00 GMT
PASTPAST

Expires:Last-modified:
Mon, 01 Jan 2001 12:00:00 GMTMon, 01 Nov 1999 12:00:00 GMT
FUTUREPAST

Expires:Last-modified:
not setMon, 01 Nov 1999 12:00:00 GMT
- PAST


This page again.


Results:

First time user
First request during browser session
NOT CACHED YET
Expiration dateLast-ModifiedShallIs
alwayssessionneveralwayssessionnever
past past Normal GET Normal GET
futurepast Normal GET Normal GET
- past Normal GET Normal GET
- past Normal GET Normal GET
Subsequent request during browser session
Expiration dateLast-ModifiedShallIs
alwayssessionneveralwayssessionnever
past past Normal GET (because not cached yet) Normal GET
futurepast Cache hit Cache hit
- past Cond. GET (200 OK, ASP)Cache hit Cond. GETCache hit
- past Cond. GET (304 N.M., gif)Cache hit Cond. GETCache hit

Revisiting user
First request during browser session
Expiration dateLast-ModifiedShallIs
alwayssessionneveralwayssessionnever
past past Cond. GET Cond. GET
futurepast Cache hit Cache hit
- past Cond. GET Cache hitCond. GET Cache hit
Subsequent request during browser session
Expiration dateLast-ModifiedShallIs
alwayssessionneveralwayssessionnever
past past Cond. GET Cond. GET
futurepast Cache hit Cache hit
- past Cond. GET Cache hitCond. GET Cache hit