/**
  * Creates an icon by the given values.
  *
  * @param WPSEO_Rank $rank The ranking object.
  * @param string     $title The title to show.
  *
  * @return string
  */
 private function create_score_icon(WPSEO_Rank $rank, $title)
 {
     return '<div title="' . esc_attr($title) . '" class="wpseo-score-icon ' . esc_attr($rank->get_css_class()) . '"></div>';
 }
 /**
  * Creates an icon by the given values.
  *
  * @param WPSEO_Rank $rank The ranking object.
  * @param string     $title Optional. The title to show. Defaults to the rank label.
  *
  * @return string The HTML for a score icon.
  */
 private function create_score_icon(WPSEO_Rank $rank, $title = '')
 {
     if (empty($title)) {
         $title = $rank->get_label();
     }
     return '<div aria-hidden="true" title="' . esc_attr($title) . '" class="wpseo-score-icon ' . esc_attr($rank->get_css_class()) . '"></div><span class="screen-reader-text">' . $title . '</span>';
 }