ImgTags

ImgTags is a term sometimes used to describe the HTML mechanism for embedding images in web pages, centered on the img element and its related attributes. In standard HTML, the img element is the primary construct for displaying raster and vector images, and it is a void element that does not contain nested content.

The basic syntax is straightforward: an img element is written with a self-closing tag, typically including a source URL via the src attribute and a description via the alt attribute, for example <img src="image.jpg" alt="Description">. Additional attributes can control size, loading behavior, and how the image is processed by the browser.

Common attributes associated with imgTags include src (the image URL), alt (alternative text for accessibility), width and height (to reserve space and aid layout), srcset and sizes (for responsive images), loading (such as lazy loading), decoding (hint about image decoding), and referrerpolicy or crossOrigin (for security and cross-origin requests). Other attributes like title, usemap, and ismap provide extra semantics or interactivity. Some older attributes such as longdesc are deprecated in favor of more accessible descriptions.

Accessibility and semantics are central to good imgTags use. Alt text should convey meaningful information for non-visual users; decorative images may use an empty alt attribute to be ignored by assistive technologies. For performance, developers leverage srcset and sizes to deliver appropriately sized images, and loading="lazy" to defer off-screen images. Properly sized images and efficient formats reduce bandwidth and improve rendering speed, while keeping content accessible and SEO-friendly.

In practice, imgTags form part of broader image handling in HTML, complementing picture elements and modern responsive design techniques.