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Set Response Header on only Image Files  RSS feed

 
Mark Reyes
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I currently have a load time problem in my web application.

As I checked during friebug, my browser is not caching my images thus it request all images files everytime which slowsdown the application.
I looked up at the code and found below meta tag in all my JSP.


Any idea how can I make the browser cache only static files such as images/css/js? My app depends on AJAX to update the display so thats why I place the meta tags in most of my JSP.

Please help.

 
Lester Burnham
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Those headers are for the HTML page, not for embedded images etc. Make sure that those are served with appropriate cache headers; a tool like the Firefox plugin "LiveHTTPHeaders" can help you figure out what's going on in that regard. (Personally, I quite like HttpScoop for OS X.)
 
Mark Reyes
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Hi Lester,

Thanks for the reply. The problem that I am seeing is that the browser especially IE is not caching my images files/css/js files. Everytime it request for these files thereby slowing my apps. I am thinking of creating a filter for myself that will intercept all url, check for any images/css/js files then add the cache control response headers on *only* these files.

I actually still am studying if what I am thinking is possible but would like to hear your thoughts regarding these.
 
Bear Bibeault
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Perhaps your browser settings are the issue?
 
Mark Reyes
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Perhaps your browser settings are the issue?


Hi Guru..

I actually dont have an idea on these. I am using IE6 as my test browser since these is what encounters most of the lagging. Can you explain alittle bit about this setting? Thanks.
 
It is sorta covered in the JavaRanch Style Guide.
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