, etc.) convey meaning to browsers, search engines and assistive technologies.
Here is the content of the article...
System architecture diagram
2. Separate content from presentation
Never use inline styles or presentational attributes (e.g. bgcolor, align, style) in HTML. Always offload styling to external CSS.
3. Use meaningful class and ID names
Choose self-explanatory, consistent naming (BEM, SMACSS, ITCSS or your own convention). This reduces confusion and enforces component boundaries.
4. Keep markup DRY (Don’t Repeat Yourself)
Avoid duplicating blocks of HTML. Extract repeating patterns into templates, components or server-side includes.
{ include 'partials/header.html' }
{ include 'partials/footer.html' }
5. Write accessible markup
Use ARIA roles and attributes only when native HTML semantics are not sufficient. Ensure all interactive elements are focusable and labeled.
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6. Minimize nesting depth
Deeply nested elements increase complexity and reduce readability. Flatten where possible.
7. Organize attributes consistently
Follow a consistent order for attributes (e.g. id, class, name, data-*, src|href, alt|title, role|aria-*). Quote all attribute values.
Docs
8. Comment purpose, not content
Write comments that explain why code exists or how it relates to higher-level logic. Avoid restating obvious HTML structure.
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9. Validate and lint regularly
Use HTML validators (W3C) and linters (HTMLHint, eslint-plugin-html) to catch missing tags, invalid nesting, duplicate IDs and best‐practice violations.
10. Leverage templating and component systems
Adopt frameworks or static site generators that enforce separation: data → template → style → behavior. This ensures HTML remains the simple content layer.
By following these best practices, your HTML code stays readable, maintainable and decoupled from styling and behavior, facilitating collaboration and long‐term scalability.
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