Images are an essential part of web development, adding visual appeal and context to your web pages. In HTML, you can easily incorporate images to enhance the user experience. This article will guide you through the basics of working with images in HTML and help you understand images in HTML better.To display an image on your web page, you'll use the element. It's a self-closing tag, which means you don't need a closing tag. Instead, you place the image source and other attributes within the opening tag. Here's the basic syntax:Result:HTML supports various image file formats, including JPEG, PNG, GIF, and more. The choice of format depends on your needs. Here are explanations of some commonly used image formats in HTML:When choosing an image format for your web page, consider factors such as the type of content, image complexity, required transparency, and your target audience's browser support. It's common to use a combination of formats within a website to optimize image delivery. Using appropriate image compression techniques and tools can also help reduce file sizes while maintaining image quality, which is crucial for web performance.You can control the size of your images using the width and height attributes. These attributes allow you to specify the dimensions of an image on your web page.Result:It's important to set appropriate dimensions to maintain aspect ratios and ensure responsive design.Aligning an image within the text using the align attribute is an approach that was once used in older versions of HTML. But the align attribute is deprecated in modern HTML (HTML5). Instead, alignment is typically achieved through CSS. Here's an expanded explanation of both approaches:In older versions of HTML, you could use the align attribute with the element to control the alignment of an image within text. The align attribute had values like "left," "right," "top," "middle," and "bottom." Here's an example:Result:This is some text that wraps around the image.While this method worked in the past, it's considered outdated and is not recommended for modern web development. It's better to separate content from presentation by using CSS for alignment.In modern web development, CSS (Cascading Style Sheets) is the preferred way to control the alignment of images within text. You can apply CSS rules directly in your HTML file using inline styles or, preferably, use an external CSS file for better maintainability.Here's an example of how you can use CSS to align an image to the left within a paragraph:This is some text that wraps around the image.In this example, we define a CSS class called image-align-left that uses the float property to make the image float to the left of the text. The margin-right property adds some space between the image and the text to improve readability.Using CSS for alignment provides more flexibility and control over the positioning of images within text, and it is the recommended approach for modern web design. It also separates styling from content, making your HTML cleaner and more maintainable.You can make images clickable by wrapping them in an (anchor) element. You can further customize the behavior of the hyperlink by using additional HTML attributes, such as target="_blank" to open the linked page in a new browser tab or window. Result:Now, when a user clicks the image, it will navigate to the specified link. Modern websites need to be responsive, adapting to various screen sizes. To make your images responsive, use the max-width style property:This property ensures that images will automatically scale down proportionally to fit the width of their parent containers when the screen size or viewport width decreases. This is particularly important for ensuring that images don't overflow or break the layout on smaller screens, such as those on mobile devices.You can also display images hosted on external websites by specifying the full URL in the src attribute:Just make sure you have permission to use external images and that they are publicly accessible.Web accessibility is crucial. Always include descriptive text in the alt attribute to assist users with disabilities. Meaningful alt text helps screen readers provide context for the image. Alt text, short for "alternative text," is a textual description of an image that can be read aloud by screen readers or displayed in place of the image if it cannot be loaded.Example 1 (Informative Image):Example 2 (Decorative Image):Example 3 (Complex Image with Description):Remember that the goal of alt text is to provide a meaningful and informative description of the image so that users with disabilities can understand its content and context. By following these guidelines and creating appropriate alt text, you contribute to a more accessible and inclusive web experience for all users.Optimizing images is crucial for web performance. Compress images, use appropriate dimensions, and select the right file format to balance image quality and loading speed.You can improve website performance by implementing lazy loading. The "loading" attribute set to "lazy" is a feature in HTML that tells the browser to load the image lazily. This means it will only load the image when it's in or near the viewport (visible area) of the web page. Lazy loading can help improve page loading performance by reducing the initial load time for images that are not immediately visible to the user. Here's the code to do that:In addition to alt text for accessibility, consider using image captions for better context. You can include a