hugo-academic/layouts/partials/article_metadata.html

<div class="article-metadata">

    <span class="article-date">
        <i class="fa fa-calendar"></i>
        <time datetime="{{ .Date }}" itemprop="datePublished">{{ .Date.Format .Site.Params.date_format }}</time>
    </span>

    {{ if isset .Params "tags" }}
    {{ $tagsLen := len .Params.tags }}
    {{ if gt $tagsLen 0 }}
    <span class="article-tags">
        <i class="fa fa-tags"></i>
        {{ range $k, $v := .Params.tags }}
        <a class="article-tag-link" href="{{ $.Site.BaseURL }}tags/{{ . | urlize | lower }}">{{ . }}</a>
        {{ if lt $k (sub $tagsLen 1) }}, {{ end }}
        {{ end }}
    </span>
    {{ end }}
    {{ end }}

</div>