What is website layout coding, and how do you check it?

Understand HTML, CSS, Grid and Flexbox, with a practical layout acceptance checklist.
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27

October

2020

What is website layout coding, and how do you check it?

Layout coding turns a page's structure and design into a browser interface. HTML describes content and its meaning; CSS controls appearance and arrangement. Interactive behaviour may require additional programming.

How elements are arranged

CSS offers normal document flow, Flexbox and Grid. Flexbox supports layout along one axis, while Grid handles rows and columns. Responsive layouts account for available width, text size and content.

Using tables to lay out whole web pages is a historical approach. HTML tables are for tabular data, with headings and clear cell relationships. Email layouts have separate constraints and need their own testing.

Acceptance checks

  • Headings form a meaningful structure and form fields have labels.
  • Pages work on narrow and wide screens and tolerate text zoom.
  • Buttons and links work with a keyboard and focus is visible.
  • Long names, empty sections and form errors display correctly.
  • Images keep their proportions and essential controls remain accessible.

Plan the handover

Agree on supported browsers, pages and interface states. Include source files and instructions for connecting the layout to the CMS. Test with real content: short demonstration text can hide problems that appear in the actual catalogue.

Related resources and services

Sources

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