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This repository has been archived by the owner on Apr 21, 2023. It is now read-only.
What steps will reproduce the problem?
1. In IE8 Go to a page with an image with a short cache lifetime
2. Refresh the page twice (Control-F5) then hit return in the URL bar
3. Observe the Apache access.log
What is the expected output? What do you see instead?
Expected to see an access.log sequence like:
1. index.html (from first Control-F5)
2. image.png
3. index.html (from second Control-F5)
4. image.png.pagespeed.ce.HASH.png
5. index.html (from RETURN in URL bar)
6. image.png.pagespeed.ce.HASH.png
We did not expect to see the final .png fetch. This should have been cached by
IE8 but was not. In FF and IE9 this works fine.
This is true for all versions of mod_pagespeed through r311 and 0.12.*.
The problem is that mod_pagespeed was supplying a Vary header, which breaks
caching of Images on IE8. This problem can also be worked around by supplying
an Etag, which will enable IE8 to validate its cache with an if-modified-since.
Original issue reported on code.google.com by jmara...@google.com on 17 Dec 2010 at 11:39
The text was updated successfully, but these errors were encountered:
Original issue reported on code.google.com by
jmara...@google.com
on 17 Dec 2010 at 11:39The text was updated successfully, but these errors were encountered: