The following settings need to be placed in the Web.config
<configuration>
<system.webServer>
<staticContent>
<clientCache cacheControlCustom="public" cacheControlMode="UseMaxAge" cacheControlMaxAge="7.00:00:00" />
</staticContent>
</system.webServer>
</configuration>
<configuration>
...
<configSections>
....
<section name="staticFile" type="EPiServer.Framework.Configuration.StaticFileSection, EPiServer.Framework" allowLocation="true" />
</configSections>
</configuration>
The below setting may also be needed if you want to leverage the globalasset's static files
<configuration>
...
<location path="GlobalAssets">
<staticFile expirationTime="7.00:00:00" cacheControl="Public"/>
</location>
</configuration>
<resizer>
<clientcache minutes="10080" />
<plugins>
<add name="EPiFocalPointPlugin" />
<add name="EPiServerBlobReaderPlugin" />
</plugins>
</resizer>
(The clientcache setting for <resizer> will impact on the kind of static assets like https://www.example.com/globalassets/images/test.jpg?maxwidth=787&maxheight=875)
We can also specify different caching durations for different types of assets, for example:
<location path="SiteFolder/Static/build/js">
<system.webServer>
<staticContent>
<clientCache cacheControlCustom="public" cacheControlMode="UseMaxAge" cacheControlMaxAge="30.00:00:00" setEtag="true" />
</staticContent>
</system.webServer>
</location>
Restart the web app
Clear Cloudflare CDN
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