RCLabbao

<div class='relatedArticles'>
  {% for tag in article.tags %}

  {% assign counter = 0 %}
  {% assign skip_articles = article.handle | split: '.....' %}
  {% for related_article in blog.articles %}
    {% if related_article.tags contains tag and counter < 6 %}
      {% unless skip_articles contains related_article.handle %}
        {% assign counter = counter | plus: 1 %}
        {% assign temp = related_article.handle | split: '.....' %}

RCLabbao

<?php // Do not include this if already open!

/**
 * Code goes in theme functions.php.
 */
add_action( 'template_redirect', 'redirect_external_products' );

function redirect_external_products() {
	global $post;