Caching Made Simple - A Practical Birdseye Overview
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by Michael Libby
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Conclusion

Caching helps in creating a scalable and high performance web application by storing previously requested data as close as possible to future requests. It is so efficient that it can help to overcome server load required to retrieve data, to perform costly algorithms, or to reconstruct web pages. Proxy and client caching reduces bandwidth and eliminates server load. Because caching can have so many different locations, its effective use requires a basic understanding.  Though all forms of caching are typically desired, their use has limitations which are based upon cache locations and expiration periods. Other articles in this series will discuss caching in more depth, along with ways to overcome caching limitations.

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User Comments

Title: Good one though problem with firefox   
Name: dotnetguts
Date: 2009-05-03 9:09:10 AM
Comment:
Thanks for good article, I have tried instruction mentioned in article, but it is still not working for firefox, any idea? to make it work.

DotNetGuts
http://dotnetguts.blogspot.com
Title: good one   
Name: vijay chand
Date: 2009-02-09 4:15:13 AM
Comment:
The above article has given me some knowledgeable thing
Title: REg. getting URLs of all visited Sites   
Name: Ad
Date: 2007-08-13 9:24:34 AM
Comment:
Hi

In the txt file, I only get the URL of this website, nothing more. Could you let me know what I m missing.
This is what I get -- 127.0.0.1;/CachingMadeSimple/OutputCachingClient.aspx;8/13/2007 6:46:57 PM

Also, could u explain the 2 minute time limit u hv put?
regards
Ad
Title: Software Enginner   
Name: Chintan Mehta
Date: 2007-07-02 9:55:09 AM
Comment:
This tutorial is very good but i want tutorial which describe actual in which scenario we have to use which type of caching. say in which condition fragment caching is usefull, in which condition data caching is usefull please describe with example if it is possible.

Thankyou.
Title: Software Engineer   
Name: Mudassar
Date: 2006-08-10 5:12:29 PM
Comment:
Excellent
Title: Great Article   
Name: Susan Dawson (Israel)
Date: 2006-04-08 9:17:06 PM
Comment:
This is one of many great articles you've written. I enjoy your easy to follow step by step articles. You are on my must read list.

Susan.
Title: Re: Images without roundtrip   
Name: Michael Libby
Date: 2006-01-31 10:12:32 AM
Comment:
Hi Fabio,
Regarding, "Copy your images to the ImagesCached directory and change all corresponding HTML references". This means that if your image directory changed then you must also change the source for your HTML Image Tag. For example, change the HTML IMG tag's src from src='NonCachedImgDir/MyImg.jpg' to src='CacheImgDir/MyImg.jpg'.
Title: images without roundtrip   
Name: Fabio Rauh
Date: 2006-01-31 7:21:57 AM
Comment:
Hi, I read your article and I´ve a doubt about how to cache images without roundtrip modification checking
I did not understand the step 7, what u mean "change" all corresponding html references. What do I have to do?
Thank you

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