AddType application/x-web-app-manifest+json .webapp
ExpiresActive On
ExpiresByType application/javascript "access plus 1 week"
ExpiresByType text/css "access plus 1 week"
ExpiresByType image/png "access plus 1 week"
ExpiresByType image/jpeg "access plus 1 week"
ExpiresByType image/svg+xml "access plus 1 week"
FileETag None