web.config

<?xml version="1.0" encoding="utf-8"?>
<configuration>
    <system.webServer>
        <staticContent>
            <!-- Configure site to serve JSON files -->
            <remove fileExtension=".json" />
            <mimeMap fileExtension=".json" mimeType="application/json" />
            <!-- Configure site to serve font files -->
            <remove fileExtension=".otf" />
            <mimeMap fileExtension=".otf" mimeType="font/otf" />
        </staticContent>
    </system.webServer>

    <location path="index.html">
        <system.webServer>
            <staticContent>
                <clientCache cacheControlMode="UseMaxAge" cacheControlMaxAge="00:01:00" />
            </staticContent>
        </system.webServer>
    </location>
    <location path="cdn">
        <system.webServer>
            <staticContent>
                <clientCache cacheControlMode="UseMaxAge" cacheControlMaxAge="365.00:00:00" />
            </staticContent>
        </system.webServer>
    </location>
</configuration>