{% comment %} Placeholder to allow defining custom head, in principle, you can add anything here, e.g. favicons: 1. Head over to https://realfavicongenerator.net/ to add your own favicons. 2. Customize default _includes/custom-head.html in your source directory and insert the given code snippet. {% endcomment %} {%- include favicons.html -%} {% seo %} {%- feed_meta -%} {%- if jekyll.environment == 'production' and site.google_analytics -%} {%- include google-analytics.html -%} {%- endif -%} {% if site.use_math %} {% endif %}