Fast experimental tweaking of web pages using a single, simple JavaScript include.

$fr.initialize({visible: true});
$fr.addOption({
  name: 'Carousel',
  defaultValue: false,
  type: 'boolean',
  labels: ['slide', 'fade'],
  onActivate: function(value) {
    myCode.setEffect(value);
  }
});

$fr.render();

• Add to webpage with a single script include
• Invoke callback when option changes
• Test variants on mobile devices
• Collaborate on webpage variants with remote teams