[Zope3-dev] Zope resources and browser caching

[Jean-Marc Orliaguet]

Garrett Smith wrote:

>Jim Fulton wrote:
>  
>
>>Garrett Smith wrote:
>>    
>>
>>>Jim Fulton wrote:
>>>
>>>      
>>>
>>>>Garrett Smith wrote:
>>>>
>>>>        
>>>>
>>>>>I'm noticing that browser hit the server (Zope) for all images on a
>>>>>page for *every* request. I would assume that browsers cache images
>>>>>unless the server says they've changed.
>>>>>
>>>>>I don't know much about this, so it might be a stupid question.
>>>>>
>>>>>Is Zope telling the browser that each image needs to be acquired
>>>>>for every request? Is this something that can possibly be tweaked
>>>>>on Zope's side? Or my configuration?
>>>>>          
>>>>>
>>>>I'm 99% sure that for file resources, Zope is setting the
>>>>cache-control headers to cache resources for a day.  You can verify
>>>>this with tcpwatch. (I have verifed this myself recently, but it's
>>>>nice to see for yourself.)
>>>>        
>>>>
>>>Hmm...these images are coming from a resource directory.
>>>      
>>>
>>Hm, maybe that implementation is bad. tcpwatch will tell you for sure.
>>    
>>
>
>So you're saying I should learn tcpwtch, eh? ;)
>
>sigh
>  
>


Hi!  you can also use:

$ wget --spider -S http://localhost:8080/yoursite/

to see the HTTP headers set by the server

/JM