Check front matter exist, show front matter related content - Jekyll

{% assign tagsize = page.tags | size %}
{% if tagsize > 0 %}
<div class="trigger-block">
	<p><b>Need Help?</b></p>
	<p>Do you need any help on {% for tag in page.tags %}{{ tag }}{% unless forloop.last %}{% assign total = forloop.length  %} {% assign new = total | minus: 1 %}{% assign index = forloop.index %}{% if new == index %} & {% else %}, {% endif %} {% endunless %}{% endfor %}? I'm happy to help you.</p>
	<p><a class="cta-button" href="{{site.baseurl}}/contact/">Contact Me
</div>
{% endif %}