Die Variable "location"
<!-- Capture and store a URL -->
<!-- Der Teil zwischen den Slashes wird isoliert -->
{% capture location %}{{ page.url | split:'/' }}{% endcapture %}
<header class="main-header" role="banner">
<div class="grid">
<div class="grid__col-12">
<a class="site-logo" href="/" title="Webconfs.me - Home">
WebConfs
</a>
<nav class="navbar" role="navigation">
<ul class="nav">
{% for page in site.pages %}
<!-- Compare the page title to the URL -->
{% assign current = page.title | downcase %}
{% if page.title %}
<li {% if location == current %} class="nav__item--current" {% else %} class="nav__item" {% endif %}>
<a href="{{ page.url | prepend: site.baseurl }}">{{ page.title }}</a>
</li>
{% endif %}
{% endfor %}
</ul>
</nav>
</div>
</div>
</header>