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How do you ensure that your website is navigable using a keyboard?

The article discusses strategies for ensuring website keyboard navigability, crucial for users with motor disabilities. Key points include focusable elements, logical tab order, visible focus indicators, and avoiding keyboard traps.

Mar 26, 2025 pm 07:23 PM

Explain WCAG (Web Content Accessibility Guidelines). What are the four principles (POUR)?

WCAG, set by W3C, enhances web accessibility for disabled users via four principles: Perceivable, Operable, Understandable, Robust. Benefits include improved access for various groups and better user experience.

Mar 26, 2025 pm 07:22 PM

Explain lazy loading of images using the loading="lazy" attribute.

The article discusses lazy loading of images using the HTML attribute loading="lazy", which delays image loading until needed, improving page performance and user experience.

Mar 26, 2025 pm 07:21 PM

How can you use the srcset and sizes attributes to provide different image sizes for different screen resolutions?

The article discusses using srcset and sizes attributes for responsive images, optimizing performance and user experience across devices.

Mar 26, 2025 pm 07:20 PM

What are the advantages and disadvantages of using different image formats (e.g., JPEG, PNG, WebP, AVIF)?

The article discusses the pros and cons of image formats like JPEG, PNG, WebP, and AVIF, focusing on quality, file size, and compatibility. AVIF offers the best compression but has limited support.

Mar 26, 2025 pm 07:19 PM

Explain the use of the <picture> element for responsive images.

The article discusses the <picture> element in HTML, which enhances responsive image loading by allowing multiple image sources for different devices, improving performance and user experience.Character count: 159

Mar 26, 2025 pm 07:18 PM

How do you embed audio in HTML using the <audio> element?

Article discusses embedding audio in HTML using the <audio> element, detailing attributes for playback control and supported formats for compatibility.[Character count: 159]

Mar 26, 2025 pm 07:17 PM

How can you optimize video for web delivery (e.g., compression, streaming)?

Article discusses optimizing video for web delivery through compression, streaming technologies, and performance metrics to enhance user experience.

Mar 26, 2025 pm 07:16 PM

What are the different video codecs that are supported by HTML5?

The article discusses video codecs supported by HTML5, focusing on H.264, WebM, Ogg Theora, and AV1. It examines their compatibility, advantages, and disadvantages, offering guidance on choosing the best codec for different needs.

Mar 26, 2025 pm 07:15 PM

How can you provide captions and subtitles for videos using the <track> element?

The article explains how to use the <track> element to add captions and subtitles to HTML5 videos, focusing on implementation, accessibility, customization, and supported formats.

Mar 26, 2025 pm 07:14 PM

Explain the use of the <source> element within the <video> element. How does it help with browser compatibility?

The article discusses the <source> element's role within the <video> element, enhancing browser compatibility by allowing multiple video formats, thus improving user experience across devices.Character count: 159

Mar 26, 2025 pm 07:13 PM

What are the different ways to embed video in HTML (e.g., <video> element, <object> element, <iframe>)? What are the advantages and disadvantages of each appr

Article discusses embedding videos in HTML using <video>, <object>, and <iframe> elements, detailing their advantages and disadvantages, focusing on compatibility, performance, and accessibility.

Mar 26, 2025 pm 07:12 PM

What are the key structural elements in HTML5 (e.g., <header>, <nav>, <main>, <article>, <aside>, <footer>)? How do

HTML5 introduces semantic elements like <header>, <nav>, <main>, <article>, <aside>, and <footer> to enhance document structure, accessibility, SEO, and content manag

Mar 26, 2025 pm 02:09 PM

How do you handle file uploads securely in HTML forms? What security considerations should you be aware of?

The article discusses securing file uploads in HTML forms, focusing on enctype use, file size limits, type validation, secure naming, storage outside web root, access controls, HTTPS, and regular audits.

Mar 26, 2025 pm 02:04 PM