Register and enqueue Google Fonts (the right way)

gistfile1.txt

/**
 * Register and enqueue Google Fonts (the right way)
 */

function jb_google_fonts() {

  // register styles
  wp_register_style('googlefont-oswald', 'http://fonts.googleapis.com/css?family=Oswald:400,300,700', array(), false, 'all');

  // enqueue styles
  wp_enqueue_style('googlefont-oswald');

}

add_action('wp_enqueue_scripts', 'jb_google_fonts');