How to minify HTML Drupal 8 twig?

Use spaceless tag to avoids extra whitespace between HTML to avoid browser rendering quicks
If you want to optimize the size of the generated HTML content output in Drupal twig files use {% spaceless %} tag.

{% spaceless %}
{% endspaceless %}

{# output will be <div><strong>ThirstySix</strong></div> #}

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Restricted HTML

  • Allowed HTML tags: <a href hreflang> <em> <strong> <cite> <blockquote cite> <code> <ul type> <ol start type> <li> <dl> <dt> <dd> <h2 id> <h3 id> <h4 id> <h5 id> <h6 id>
  • Lines and paragraphs break automatically.
  • Web page addresses and email addresses turn into links automatically.
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