:javascript
  (function(){
    if (window.lp.enhanced === true && window.localStorage.getItem('_lpfont') != "true") {
      
      window.onload = function() {
        var xhr = new XMLHttpRequest();
        var compiledPath = "#{font_path('fonts.css')}";
        var newPath = "//www.lonelyplanet.com/assets/" + compiledPath.split('/assets/')[1]

        xhr.open('GET', newPath);

        xhr.onload = function (e) {
          window.localStorage.setItem('_lpfont', 'true')
        };

        xhr.send();
      }

    }
  })()

:javascript
  (function(){
    if (window.lp.enhanced === true && window.localStorage.getItem('_lpfont') != "true") {
      
      window.onload = function() {
        var xhr = new XMLHttpRequest();
        var compiledPath = "#{font_path('fonts.css')}",
            host = window.location.host;
        
        if (host == "shop.lonelyplanet.com") {
          host = host.replace(/shop/, 'www');
        }
        
        xhr.open('GET', "//" + host + "/assets/" + compiledPath.split('/assets/')[1]);

        xhr.onload = function (e) {
          window.localStorage.setItem('_lpfont', 'true')
        };

        xhr.send();
      }

    }
  })()

Enable local serve of fonts.css
Enable local serve of fonts.css
