pushstate.js

Backbone.history.start({ pushState: true });
$(document).on('click', 'a:not([data-bypass])', function (evt) {

  var href = $(this).attr('href');
  var protocol = this.protocol + '//';

  if (href.slice(protocol.length) !== protocol) {
    evt.preventDefault();
    app.router.navigate(href, true);
  }
});