In terms of breadcrumb, here is an example:
<ol itemscope itemtype="https://schema.org/BreadcrumbList">
<li itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">
<a itemprop="item" href="{{@website.url}}">
<span itemprop="name">Home</span></a>
<meta itemprop="position" content="1" />
</li>
›
<li itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">
<a itemscope itemtype="https://schema.org/WebPage" itemprop="item" itemid="{{post.mainTag.url}}"
href="{{post.mainTag.url}}">
<span itemprop="name">{{post.mainTag.name}}</span></a>
<meta itemprop="position" content="2" />
</li>
›
<li itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">
<span itemprop="name">{{post.title}}</span>
<meta itemprop="position" content="3" />
</li>
</ol>
