.htaccess

RewriteCond %{HTTP_HOST} ^www\.deklemtoon\.be$ 
RewriteRule ^/?$ "https\:\/\/deklemtoon\.be\/" [R=301,L]
ServerSignature Off
ErrorDocument 404 /not-found.html

<IfModule mod_expires.c> 
  ExpiresActive on
  ExpiresByType image/jpg "access plus 1 month" 
  ExpiresByType image/jpeg "access plus 1 month" 
  ExpiresByType image/gif "access plus 1 month" 
  ExpiresByType image/png "access plus 1 month"
  ExpiresByType image/svg "access plus 1 month"
  ExpiresByType font/ttf "access plus 1 month"
  ExpiresByType font/woff "access plus 1 month"
  ExpiresByType text/javascript "access plus 1 month"
  ExpiresByType application/javascript "access plus 1 month"
  ExpiresByType text/css "access plus 1 month"
</IfModule>

<IfModule mod_headers.c>
  Header set Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" env=HTTPS
  Header set Content-Security-Policy "default-src 'self'; img-src 'self'; script-src 'self' https://code.jquery.com https://cdnjs.cloudflare.com; style-src 'self' https://fonts.googleapis.com/; font-src 'self' https://fonts.googleapis.com/ https://fonts.gstatic.com"
  Header set X-Content-Type-Options "nosniff"
  Header set X-XSS-Protection "1; mode=block"
  Header set X-Frame-Options "SAMEORIGIN"
  Header set Referrer-Policy "same-origin"
  Header set Feature-Policy "geolocation 'self'; vibrate 'none'"
  Header set Permissions-Policy "geolocation=(); midi=();notifications=();push=();sync-xhr=();accelerometer=(); gyroscope=(); magnetometer=(); payment=(); camera=(); microphone=();usb=(); xr=();speaker=();vibrate=();fullscreen=(self);"  
</IfModule>