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Accessibility refers to the design of products, devices, services, or environments so that they are usable by people with disabilities. The goal is to ensure that all individuals, regardless of ability, can perceive, understand, navigate, and interact with digital content.

Web accessibility specifically focuses on making websites and web applications usable for everyone, including people who use assistive technologies like screen readers.

Semantic HTML uses meaningful elements to describe the structure and content of a web page. It is important for several reasons:

• It improves accessibility by providing meaningful context to assistive technologies.
• It enhances SEO by helping search engines understand page content.
• It makes code easier to read and maintain for developers.
• It ensures better cross-browser and cross-device compatibility.

Getting started with web development involves learning the core technologies:

• HTML — for structuring content on the web.
• CSS — for styling and layout of web pages.
• JavaScript — for adding interactivity and dynamic behavior.

There are many free resources available online, including tutorials, documentation, and interactive coding platforms to help you learn at your own pace.