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What are HTML Images?

Images are an essential part of web design, used to enhance visual appeal and provide content. In HTML, images are embedded using the <img> tag.

Image Syntax

The basic syntax for including an image in HTML is as follows:

<img src="URL" alt="description">

Example:

<img src="https://www.example.com/image.jpg" alt="A beautiful scenery">

Common Image Attributes

Images can have several attributes to control their display and behavior:

• src: The URL of the image file.
• alt: A textual description of the image for accessibility and SEO purposes.
• width: Specifies the width of the image in pixels or percentage.
• height: Specifies the height of the image in pixels or percentage.
• title: Provides additional information about the image, typically displayed as a tooltip on hover.

Example with attributes:

<img src="https://www.example.com/image.jpg" alt="A beautiful scenery" width="500" height="300" title="Scenery">

Common Image Formats

Different image formats are used for various purposes:

• JPEG (.jpg, .jpeg): Best for photographs and images with many colors.
• PNG (.png): Supports transparency and is ideal for images with text and sharp edges.
• GIF (.gif): Supports animation and is suitable for simple graphics.
• SVG (.svg): A vector format ideal for logos and icons that need to scale without losing quality.

Best Practices for Using HTML Images

• Always use the alt attribute for accessibility and SEO.
• Optimize images for web use by reducing file sizes to improve loading times.
• Use appropriate image formats based on the type of image.
• Specify image dimensions to prevent layout shifts during page load.
• Ensure images are responsive by using CSS or attributes for flexible layouts.