TIL where no one has gone before, part 2

A presentation at Tech Talk @ Tagesspiegel by Gunnar Bittersmann

  • recap: converting RDF/JSON-LD data into HTML/RDFa
  • show PHP source code: .phps, media type application/x-httpd-php-source
  • Heredoc and syntax highlighting
  • a11y issues with color contrast and <a aria-label> disappeared with the start of Strange New Worlds
  • caption changed to h1 (CSS Naked Day)
  • multiple table bodies (Sudoku)
  • sticky header
  • Firefox bug: caption { position: sticky }
  • strange Firefox rendering bug
  • throttling, debouncing
  • ResizeObserver
  • IntersectionObserver
  • head { display: block }


The following resources were mentioned during the presentation or are useful additional information.


The following code examples from the presentation can be tried out live.