iis-usermode-output-caching.web.config.xml

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
  <system.webServer>
    <!--
    Configuration Summary:
    - Use faster kernel-mode caching for static assets (i.e. images, scripts, stylesheets, HTML), only refreshing them if the file itself changes.
    - Use user-mode caching (varyByHeaders), expiring after 5 minutes (default cache worthiness: 2 hits within 10s)
    -->
    <caching enabled="true" enableKernelCache="true">
      <profiles>
        <add extension=".png" kernelCachePolicy="CacheUntilChange" />
        <add extension=".gif" kernelCachePolicy="CacheUntilChange" />
        <add extension=".jpg" kernelCachePolicy="CacheUntilChange" />
        <add extension=".jpeg" kernelCachePolicy="CacheUntilChange" />
        <add extension=".js" kernelCachePolicy="CacheUntilChange" />
        <add extension=".css" kernelCachePolicy="CacheUntilChange" />
        <add extension=".html" kernelCachePolicy="CacheUntilChange" />
        
        <add extension=".php" policy="CacheForTimePeriod" duration="00:05:00" varyByQueryString="*" varyByHeaders="Cookie" />
      </profiles>
    </caching>
    
    <!-- ... -->
  <system.webServer>
<configuration>