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HTML, CSS, & JS Review
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Module 1
HTML5: Semantics, Accessibility, and SEO
1
HTML4 vs. HTML5: Key Differences
Explain the key differences between HTML4 and HTML5, including doctype, new elements, and removed elements.
Structuring Pages with Semantic HTML
Use semantic elements (header, nav, main, section, article, aside, footer) to structure a page meaningfully.
Optimizing Meta Tags for SEO and Social Sharing
Configure meta tags for SEO (description, viewport) and social sharing (Open Graph, Twitter cards).
4
Custom Data Attributes with JavaScript
Use data-* attributes to embed custom data within HTML elements for JavaScript interaction.
HTML5 vs. JavaScript Form Validation
Evaluate when to use HTML5 built-in form validation versus custom JavaScript validation.
6
Using ARIA for UI Accessibility
Apply common ARIA roles and attributes (role, aria-label, aria-hidden) to improve the accessibility of interactive UI components.
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