add_header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload";
add_header X-Frame-Options "SAMEORIGIN";
add_header Permissions-Policy "geolocation 'none'; camera 'none'; speaker 'none';";
add_header Referrer-Policy 'strict-origin';
add_header Content-Security-Policy "default-src *.JOUWWEBSITEURL.NL *.googleapis.com *.googletagmanager.com *.gstatic.com *.google-analytics.com https: 'unsafe-inline' 'unsafe-eval' 'self' data: wss: ; upgrade-insecure-requests; frame-ancestors 'self';";