Caching Css And .js Files?
Dec 5, 2010
I want to use caching technique for .js,.css and images( to avoid round trips and to improve performance of page load) .So, on IIS 7 using Http Response Header, i set Content Expriation to 7 days.Now, on browser its caching which is avoiding round trips for static content ...which is good sign.Now, i modified one of the .js file and i deployed that .js file on server and due to caching my new code is not reflecting on client machines .So i tried lot of ways and here is what i tried after deployment of new .js file After deployment of new .js file
1) I manually delete all the browser cache(cookies,urls,forms,page content etc) on internet explorer
2) used ctrl + f5 to get refresh
3) again on IIS i went back Http Response Header section and set Content Expriation to never
4) stopped the website and restarted
5) on web.config file tried this only
<staticContent>
<clientCache cacheControlMode="DisableCache" />
</staticContent>
6) Also tried to set this on .aspx page
<HTML>
<HEAD>
<TITLE>---</TITLE>
<META HTTP-EQUIV="Pragma" CONTENT="no-cache">
<META HTTP-EQUIV="Expires" CONTENT="-1">
</HEAD>
<BODY>
7) tried to set this on .aspx.cs file
<% Response.CacheControl = "no-cache" %>>
<% Response.AddHeader "Pragma", "no-cache" %>
<% Response.Expires = -1 %>
My target browser is IE.None of them worked,Finally i renamed my .js file to different file name and changed code to make use of that new .js file ..but no luck on this too .Because what i set intially for 7 days still my client machine remembers that.
How do i tell IIS server to refresh cached content code , when some thing got changde on .js or .cssfiles?
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