Found HTML artifacts

These are examples of "found" HTML artifacts representing commentary of various kinds--mostly comments about a web page (typical a blog post) where their target is the web page they are (typically) included on.

Drupal

• Drupal 7 comment.tpl.php
• Drupal 8 comment.html.twig
• Drupal 8 Bartik theme's comment.html.twig

Related:

• Drupal 8 Core RDF module's rdf-metadata.html.twig -- essentially outputs metadata in <span>s

WordPress

• WordPress Twenty_Fifteen theme's comments.php
• WordPress Twenty_Fourteen theme's comments.php
• other standard WordPress themes from the past 6 years (including the 2 above)